Gases Research Papers Samples For Students

Air pollution results from the introduction of foreign particles in the earth’s atmosphere. It denotes the presence of chemicals, biological substances or other foreign particles in the atmosphere that cause discomfort, damage, death, infections or diseases to both flora and fauna. It is vital to note from the onset that the earth atmosphere is crucial to the existence of all living organisms on earth. It is made from a mixture of diverse and dynamic gaseous system that are essential to life systems. However, air pollution and emission of greenhouses gases has become a real threat to the atmosphere and thus a ...

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Air pollution from Cars and its Impact on Global Warming
Global warming is the continuing rise in the average temperature of the earth’s climate. This increase in earth’s temperature occurs majorly in oceans, but to some degree it has also occurred on the air and sea surface. According to the intergovernmental panel on climate changes, 90% of the increase in the earth’s temperature is a result of human activities that produces greenhouse gases. Any activity that produces carbon dioxide, or any other greenhouse gas contributes to global warming on a scale that depends on the amount of ...

In the United States, power is generated from various sources. In 2014 alone, 4,093 billion KWh units were produced. The majority of these came from fossil fuels while renewable energy sources accounted for around 17%. The high percentage of fossil fuels used for electric power generation as compared to renewable energy sources leads to a more a pronounced environmental impact. The table below shows the percentage of the total power produced by the four major energy sources in 2014.

Negative effects of power production

Coal power production
Coal is a fossil fuel that is combusted in steam boilers to generate steam for driving steam turbines. ...

Introduction

The term ventilation is constantly used by fire fighters and the fire marshals department. In simple terms, ventilation is the process through which toxic gases, smoke and heat is removed from a burning building and consequently replaced with cleaner, cooler and air rich in oxygen. This is part of the rehabilitation process of a burning building. The process has two distinct components. The first component involves the removal of hot air, smoke and toxic gases. The second component of the ventilation process is pumping in cleaner, cooler and air rich in oxygen. While performing this process, it is important to exercise ...

Introduction

Climate change is a global issue that has generated a lot of controversy in recent years. More than any other current threat that faces us, it is likely to affect the way economic and environmental policy will be drafted. However, not all people are accepting of the fact that climate change exists, and many of those that deny it are in control of environmental legislation.
Climate change has been happening across the globe for eons, and few people disagree that this is true. However, the last hundred to one hundred fifty years has seen a dramatic increase in the rate of ...

Abstract

The fugacity is a term that has Latin origins, referring to pace and speed. Early work somewhere in the 20th century, on fugacity, demonstrated that chemical equilibrium is established by the free energies of reacting material. Since then, various approaches and concepts on fugacity have been provided. The gas fugacity of noble gasses has been studied, and models have been proposed for calculating the solubility of noble gasses. The development of various models has considered pressure effects, differential equilibrium between components and temperature changes.
The paper discusses the evolution of various multimedia fugacity models and the fugacity of pure ...

Writing Proposal

Global warming and the effects of pollution is a topic that has been widely researched on by environmentalists. There is a lot of literature on the topic written by different scholars. Working committees from international bodies like the United Nations have also come up with reports detailing the intricacies of global warming and ways of dealing with the issue. In tackling the topic of global warming and the effects of pollution on glaciers, I outline the effects of global warming and air pollution on the environment.

In discussing the effects, I will measures currently in place to mitigate the effects of ...

The debate behind what causes or contributes to global warming is one that has been hotly discussed; from those who suggest that it is due to human behavior, to those who think that it is a natural occurrence, which humans don’t necessarily contribute to its effects. Some believe that those who support the idea of global warming are rather alarmist in their beliefs, viewing events such as Earth Day as a hoax that attempts to lead people into a life of deprivation rather than living in a state of plenty. Despite which school of thought one subscribes to regarding the causes, the ...

Introduction

According to an article by Conway released by NASA, global warming is the average increase of global temperature due to the increased emissions of greenhouse gases from various sources. Furthermore, NASA had also emphasized that global warming is directly linked to climate change which induces adverse effects on a global level (n.d.). Furthermore, understanding and evaluating global warming may allow the reduction its negative implications or the formation of efficient mitigation strategies. Thus, the goal of this paper is to evaluate the scientific basis of global warming and the role of humans in it. Natural and anthropogenic climate changes ...

Introduction

In recent years due to the rising temperature of the globe we have seen an increase in the number of natural calamities affecting us. Tsunami in Japan and Indian Ocean, Katrina in Southern United States and Icelandic volcanic eruption are few of them. The average temperature of the earth is on the rise. We hear lot of concerns voiced against the man induced causes of global warming. It is one of the topics that concern one and all in the world. Is it a fact or is it a myth? We will try to discuss and establish in the next few ...

Greenhouse Gas Emissions and two methods of reducing these emissions

Greenhouse gas emissions are a rising concern facing the entire world today. Greenhouse gasses are essentially those chemical compounds found on earth which allow the passage of sunlight into the earth’s atmosphere. When the sun shines down upon the earth it emits light that penetrates into the Earth’s surface, however some of this light is reflected back into the space in the form of heat or infrared radiation. It is this radiation that is absorbed by the green house gasses and retained within the atmosphere. Greenhouse gases are necessary to maintain the atmospheric temperature on earth. According to ...

Pollution can generally be defined as the introduction of harmful substances into a given body. There are various forms of pollution. These include water pollution, soil pollution, and air pollution amongst many others. Borrowing from the definition of pollution generally, water pollution refers to the introduction of harmful substances into water bodies. Similarly, soil pollution refers to the introduction of harmful substances into the surface of the earth. While all the three forms of pollution exist, air pollution is more prevalent than the both water and soil pollution. Indeed, it is the most prevalent form of pollution in the world. ...

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Assignment details

All forms of plagiarism, cheating and unauthorised collusion are regarded seriously by the University and could result in penalties including failure in the unit and possible exclusion from the University. If in doubt, please contact the Unit Coordinator.
Please double click on all the check boxes. Except where I have indicated, the work I am submitting in this assignment is my own work and has not ...

Introduction.

A combustion engine can be defined as any engine that operates through fuel burning. The difference between a combustion engine and steam engine is that the latter uses steam for operation while the former uses gasoline. Combustion engines also use fueled gases such as hydrogen, propane, methane etc which are components of diesel. Combustion engines run on one type of fuel, and may require a series of adaptation to adjust to fuel/air ratio to use other forms of energy (Agrawal, 2006).
The combustion process starts in the gasoline cylinder where a mixture of air and gasoline is sprayed. The mixture is ...

Introduction:

Rice has always been a staple crop in various nations worldwide, where most of the population around the world feed on it every day. Rice is also one of the top GHG contributory staple crop that exceeds that of the maize and wheat production (Linquist et al, 2012). Today, the environmental sustainability has made an impact to many sectors, especially the agricultural production. The Life Cycle Assessment (LCA) has been innovated to serve as one of the primary tools in the integral assessment for the environmental impacts of the production of various agricultural products that includes rice. The agricultural ...

Executive Summary

This process of making 17 reams release 100 pounds of Carbon dioxide in the environment. Forests and trees are mainly responsible for maintaining a stable environment of the world. Going paperless will help reduce the total waste that disturbs the natural environment. Trees are naturally responsible for absorbing carbon dioxide through the process of photosynthesis. The amount of paper recycled is proportional to the amount of tree saved. The increased usage of recycled paper will help decrease the demand for virgin paper. Decrease in the demand of virgin paper will automatically help reduce the air and water pollution. The paper ...

The Human Factor

The Human Factor

Introduction

According to a report, the smallmouth bass are dying in the Susquehanna River. Also, there are indications that robins migrate farther north now and butterflies head out on distance migration 24 days earlier than usual (Lancaster Online, 2013). In one way or other, biologist Ed Perry is blaming global warming for climatic changes which are adversely affecting the wildlife. No one, be it a biologist or student in middle school, is unacquainted with the term ‘global warming’ which is a result of excessive accumulation of greenhouse gases in Earth’s atmosphere. It is one of the most crucial issues ...

Abstract

Global warming remains by far the biggest challenge humans have faced in this century. It affects the entire planet although not the entire plane is to be blamed for it. The emission of greenhouse gases and particularly carbon dioxide has been at all-time peak in this century especially the last half of the century. Studies show that the current concentration of carbon dioxide in the atmosphere is about 385 ppm, up from 285 ppm prior to industrialization. This has sparked an unstoppable change in the climate patterns in the world. The changes are mostly with regard to the precipitation ...

Today, one of the global issues people face to is different types of pollution. With human development, pollution is becoming worse, and as a result, other issues appear. Among them are global warming, new diseases, deforestation and many others. But, it was not like this all the time, as at the beginning the level of pollution was not so high. Otherwise, it would have been an apocalypse already. That was the industry development that caused global pollution.
Even in the late 13th century, people knew about air pollution. For instance, King of England Edward I punished every Londoner, who ...

Global warming refers to the increase in the earth’s temperature (Maslin, 2007). This situation is what is normally referred to the greenhouse effect. Certain gases are critical for maintaining the temperature of the earth. According to Maslin (2009), when the earth’s surface reflects the sun’s energy as long wave radiation, this energy is trapped by the greenhouse gases warming up the earth’s atmosphere. Maslin (2009) argues that this greenhouse effect controls the temperature of the earth , and without it the earth would be 35 degrees Celsius colder. This natural greenhouse effect is responsible for maintaining ...

The role of people in climate change and its drastic outcomes is undeniable. Burning fossil fuels and deforestation are the main reasons of global warming. While writing the research, much statistics and other data were studied. This information made me understand how serious the problem is. Now it is not possible for me to stay aside of the global problem. Saving the energy and water should be the obligatory things for everyone.
The terms “global warming”, “climate change” and ‘global change” seem to be similar, but they have a difference in their definitions. The notion “global warming” refers to ...

1.0 Introduction
The rate at which the availability of natural fuel resources are getting depleted is higher than the consumption (Huang, Krock and Oney 158). This calls for clean energy sources such as Ocean Thermal Energy Conversion (OTEC). Ocean Thermal Energy Conversion whose short form is abbreviated as OTEC is essentially based on the utilization of temperature differences (Plocek, Laboy and Marti 1). In particular, the difference of incumbent temperature between the deep and the shallow areas of water become the source of electrical energy. This electricity is produced when the temperature difference is used to run a heat ...

Natural gas represents a gases mixture that can be found in the ground and is created by the way of organic substances decomposition of anaerobic character. Typically, this type of gas is a mix of gaseous hydrocarbons, such as butane, ethane, methane, propane, etc., which is found in the earth's crust. It is broadly utilized as a fuel of very economical kind for various power plants in the glass and cement industry, nonferrous and ferrous metallurgy, building materials production and for household needs. It is also used as raw component for various organic compounds.
This type of gas is a mineral deposit ...

Background

More than six months ago, on June 27, a volcanic eruption occurred in Hawaii, its lava continuing to bubble till September. It crawled its way from the erupted volcano till the edges of the nearest village, causing people to evacuate from their homes. The leading edge of the lava flow was about 110 meters wide with an average speed of 5 meters per hour. The volcanic eruption occurred at the mountain Kilauea. Volcano experts quote Kilauea as “the most continuously active volcano on Earth; lava streaming into the ocean at a steady rate of around 5 [metres per second] for years ...

Factories have always been seen as emitters of enormous smokes, which makes factories as major contributors of air pollution. But, aside from the air pollution, factories have been contributing to land pollution, as well as water pollution. These pollutions were mainly because of the emissions of harmful gases, mixing of toxic and hazardous chemicals on natural water resources, direct contact of harmful chemicals and wastes to surface soils (Peterson, para. 1). Moreover, although different factories produce different waste products, still, the environment is always at risk.
One of the most familiar effects of factories is how it contributes ...

(Course/Major)

In Stephen Gardiner’s work A Perfect Moral Storm (2011), there are several critical elements that hinder society from being ethical in our conduct related to climate change, as well as theoretical aspects that combine spatial, theoretical and generational factors that expose people to “moral corruption.” Gardiner explains that the main conflict with regards to climate change is a failure to recognize the ethical dimensions of the issue of climate change (Vladimirova, 2013, par. 1).
Many climate analysts are in accord that the main cause of the prevailing global warming movement is the widening and expansion of human ...

Introduction

Being the fastest growing country in the world, China is one of the leading countries in greenhouse gas production globally. In the recent years, China has outdone United States of America in carbon dioxide emission because of the availability of many industries and automobiles using gasoline fuels. The rise on carbon dioxide production in China has been attributed to the huge production volume, and lack of policies to restrict the production of harmful gases. In addition, China signed lucrative contracts to use oil to run its industries instead of using other sources of power like solar, wind, or hydro-electric ...

Introduction3

Statistics.3
Offshore oil drilling4
Effects on the environment.7
Recommended solutions10
Conclusion.13

Works Cited14

Abstract
Today, the United States has over 5600 offshore gas and oil platforms; there are also over 27,000 miles of pipeline in the Gulf of Mexico area alone. This shows the extent to which offshore oil drilling occurs in the United States. In other developed parts of the world, the situation is the same. Oil is a product on high demand; this facilitates efforts in extracting it form its deposits deep in the sea floor. The retrieval requires the use of sophisticated equipment ...

Introduction

Climate change stands to be one of the major challenges of our modern time and puts a considerable amount of pressure and stress on our planet as well as on our society. Such a problem, if faced by humanity is one of the worst case scenarios imaginable, aside the asteroid hit or a super volcano eruption; major climate change can result in risen worldwide sea level leading to destructive floods, shifted climate zones with food production being threatened. Such climate change impacts are global in scale and might eventually lead to a total human extinction.
Every time the causes of climate change ...

Given the recent request to assist a local chemical manufacturer with OSHA compliance, one of the major issues to tackle will be whether the company is required to comply with OSHA Methylene Chloride standard. The company uses Methylene Chloride (MC) chemical to manufacture a special paint stripper for the Department of Defense (DOD). Methylene Chloride is a colorless, volatile solvent, with a chloroform-like odor. Exposure to this chemical increases the risk of developing cancer, and diseases of the liver, heart and CNS (central nervous system). Exposure occurs via inhalation, and direct contact and absorption through the skin. The immediate ...

Climate Control Systems

The discussion and advanced research on climate control systems have received renewed interest in the world. The most important development in this discussion relates to the efforts of President Obama in addressing issues related to climate change. Particularly, the attention of President Obama has brought out the issue of climate change as a major threat to sustainability across the globe. In addressing the problems of climate change, researchers are now focusing on the innovative ways in which the control of the climate can be enhanced (Oldewurtel et al. 2010). In that light, the control of climate and the climate ...

Sulphur Dioxide and Our Planet

Sulphur Dioxide is a colourless pungent gas which is highly soluble in water. Fossil fuels such as coal, petroleum and natural gases contain sulphur. When burnt in motor vehicles, power stations and in other industrial applications, sulphur reacts with oxygen and its compounds in the combustion process to form Sulphur Dioxide. These are the artificial sources of Sulphur Dioxide. Apart from these, Sulphur Dioxide is produced naturally in huge quantities during volcanic eruptions and forest fires. It is the most chemically active compound produced by volcanoes. Apart from natural sources, Sulphur Dioxide is also produced in anthropological activities like ...

Nowadays, almost everyone heard at least something about global warming. But, it is not only the change of the climate, but also, the consequences of it. Usually, the term is used to describe a gradual increase in the average temperature of the Earth's atmosphere and its oceans, a change that is believed to be permanently changing the Earth’s climate. However, not every scientist believes the global warming is real. But, the data and facts say the planet is warming.
Interestingly, the humans knew about global warming even in the late 1800s, but did little to prevent it. So, today, ...

Greenhouse gas effect refers to the process through which thermal radiation from the surface of the earth is absorbed and retained by the atmospheres’ greenhouse gases. The retained thermal radiation is then re-radiated in a distributive manner towards all directions. Some of the re-radiation are directed towards the lower layers of the atmosphere and the surface of the earth and consequently causes a higher temperature than the normallly expected temperature without the greenhouse gases.
The greenhouse effect occurs due to the following mechanism. The surface of the earth receives solar energy in the form of ultra violet (UV), near infra-red ( ...

Is global climate caused by human activities?

Currently, the question on whether human activities cause global warming has sparked debates from environmental experts. The massive growth of the population has increased growth of consumption, and this poses threats to the global climate. The rise of the earth’s temperature is mainly caused by the gases released by greenhouses, especially carbon dioxide. It is saddening to note that the climatic changes affect the physical and biological systems across the universe. Global warming can only be decreased if the carbon output released by human activities is reduced. The Journal of Climate published a paper by Jara Imbers, Chris Huntingford, ...

Industrial Pollution Effects on Global Warming

Introduction
Changing climate is also changing our economies, health and communities in almost every part of the world. The fast and rapid industrialization in the past increased the need of thermal power plants and other industries run by fossil fuels. They contributed in atmospheric changes drastically by emitting different pollutants including Co2, CO, SOx and NOx. They have not only threatened the environment by global warming but also give rise to acid rains. These acid rains destroyed forests that are the major sink of greenhouse gases especially carbon dioxide (Held & Soden, 2006). The variety of chemical emission including ...

Environmental impact of aviation arises from emission of noise from aircraft engines and gases which are released. These gases contribute greatly to global dimming and climate change. Despite the efforts of reducing emissions from automobiles and using less polluting turboprop and turbofan and more fuel-efficient engines, the continuous rapid development of aircrafts contributes largely to the total pollution involved in aviation. This has led to a heated debate about introducing high taxation of travelling by air and including aviation in a scheme of emission trading to ensure that all external costs involved in aviation are considered. This paper talks about environmental ...

(Author’s Institution)

Introduction

In its natural state, Carbon dioxide (CO2) is a colorless and odorless gas. Its significance in preserving life on Earth is demonstrated through Carbon cycle, a process that begins with the use of CO2 by plants for photosynthesis and ends with the release of the same compound into the atmosphere by the dead and decomposed plants and the animals that feed on them. This cycle is continuous and ensures that the supply of Carbon (a vital element of life) is sufficient. This paper, however, focuses on the disastrous effects of excessive CO2, released into the environment.

Overview

CO2, along with a ...

Part One: Air Pollutants.

There are a number of elements that are responsible for air pollution. These air pollutants include greenhouse gases, Chlorofluorocarbons, and Nitrogen Oxides. Greenhouse gases are type of gases, which for a long time stay in the atmosphere thus trapping the sunlight causing global warming (Jeremy 192). Some of these gases include nitrous oxide, carbon dioxide, and methane result from burning of the fossil fuels in motor vehicles (Jeremy 94). Methane also comes from rice paddies and cows. Nitrous oxides results from decaying plants and industrial sources. The use of substitute sources of energy including wind and solar can be used in ...

Abstract
Stages of fire behaviou from inception to decay have been described. Fire events namely flameover, flashover and backdraft have been described. Their causes and procedures to prevent and protect against them have been discussed.

Stages of Fire Behavior

The development of compartment fires is usually divided into 4 major stages, namely, the incipient or ignition stage, the growth stage, the fully developed stage and the decay stage. The graph in figure 1 represents these stages on a heat release rate vs. time diagram. The descriptions below are mainly as explained in ‘Fire development and fire behavior indicators’.

Figure 1: Stages of development ...

Clean air is one of the most essential needs for the life of a human being but unfortunately the air is heavily polluted and it is causing a number of serious problems to the health of the people and also it is hampering the environment badly. Air pollution is a severe menace to the residents, animals and environment of the New York City. The problem has been causing health related problems to the residents of the city and recently it has been revealed that air pollution is responsible for more than six percent deaths per annum in the New York City. The ...

The General Assembly of the United Nations has stated that “Changes to the climate, brought about by increasing levels of greenhouse gases in the atmosphere, will thus lead to changes in the oceans, including sea-level rise and ocean acidification, which will put marine ecosystems and coastal communities at risk. Most of these changes can be attributed to human activities and will negatively affect the animal inhabitants of the marine environment. Some effects of global warming on marine animals include changes in distribution, reduction of habitats and reductions in diversity and sex ratios.
In the last hundred years, the rate ...

Deforestation is the act of clearing the greenery and vegetation on Earth on a large scale. It occurs when trees and entire forests are cut down and cleared away for various purposes. This brings a lot of damage to the Earth’s surface, simultaneously creating environmental problems as well. Forests account for 30% of the Earth’s land, and they are an asset to the world’s ecosystem, however, much of this area is cleared away and vacated by mankind to serve their purposes. Although deforestation is done for needs such as housing, residence, mining, shopping and other means, ...

Abstract

The purpose of the assignment is to look at the COP21 report, the main factor that led to the conference was the rising rate in the greenhouse effect due to the emission of toxic gases into the atmosphere. The assignment also looks at the key tenants of the COP21 initiative and lastly the significance of the Conference to the business world and the chosen industry that is the Toyota motor vehicle company. It focuses on the effect that the conference has had on the operations of this company and other businesses in the world. The company has agreed to ...

Introduction

“There’s much stronger evidence connecting human activity to changes in temperature, melting glaciers and ocean warming,” are the words of Gerald Meehl who holds the position of a senior scientist at the National Centre for Atmospheric Research. Meehl in addition to being a scientist is also a major contributor to the report that was published by the Intergovernmental Panel on Climate Change (IPCC) and according to the report; human activity is primary cause for warming of the earth’s climate. The 2007, the report linked human activity to the change in global temperatures with 90 percent certainty, a ...

Mining and exploration of natural gases has increased in the recent years. This can be partly attributed to modern science and technology that has helped researchers and scientists develop new ways to conduct mining in areas that were otherwise considered inaccessible. As a result, pollution of natural resources by the mining industry has increased sharply. However, government efforts to protect its citizens from these dangerous environmental hazards have lagged behind resulting in a population that is open to dangerous diseases caused by pollution.
Hydraulic fracturing is a process used widely and extensively in the mining of natural gases. First, hundreds of ...

- The Causes of Global Warming
Global Warming has always been an issue of debate, with environmentalists vehemently raising their voice against it. The main reason cited for global warming by researchers is the emission of greenhouse gases largely because of ever-increasing population and related changes in standard of living (Derek Markham, 2009). The main greenhouse gases causing this effect are carbon dioxide, Chlorofluorocarbons (CFCs) and methane (WMO, 2011). These are caused mainly by burning of fossil fuels such as coal, oil and natural gases for generation of electricity, running vehicles, warming and other industrial processes.
- ...

Introduction

Global warming refers to the continued, unequivocal rise in the average temperature level within the earth’s climatic system. An approximated 0.8o Celsius has recorded form the 20th century, the global air and sea temperatures. That is; each of the last two decades has recorded equivalent gradual increase in temperature. This has made the earth warmer. Scientific comprehension on the myriad causes of global warming has been accelerated by the improved knowhow amongst the scientists (Black, 2010). For instance, the International Panel on climate change (IPCC) reported that human beings must have caused more than 90 % of the global ...

The anthropogenic climate change refers to actions produced by human activity that generate greenhouse gases, which contribute to the global warming (McMichael, 2003). Studies indicate that post-industrial rise in greenhouse gases is not an outcome of natural processes, but they are the result of human activity (“Anthropogenic Climate Change”). Human actions that are causing the current global warming issues were generated decades, even centuries ago and the current actions destined to mitigate the global warming by properly managing the human activities that generate greenhouse gas might start to show results in several decades or centuries (McMichael, 2003).
On ...

How Fossil Fuels Shaped America and Its Environment

Since the beginning of the industrial revolution in the United States in mid 18th century, large amounts of fossil fuels were used to provide energy to the industries in the economy and ultimately influenced the wealth of numerous individuals in America. During the American industrial revolutions, fossil fuels were the ideal source of energy that drove the rapid growth of industries in America. Steam locomotives, that were the archetypal machine invention of the industrial revolution, utilized coal energy for the lack of sustainability while using charcoal and firewood energy. Since the beginnings of the industrialization in 19th century, petroleum ...

Introduction

The aviation industry has come a long way in growth and technological advancement since 1783; today many commercial flights occupy the skies than has ever before. All over the world, there has been an increase in the number of flights with an estimated growth of 12% per year. An increase in wright passengers, a 5% increment annually, is a reported rise than any other travel mode. This rise also includes increased flight routes to new destination enhancing the air transport. Airfreight has been growing rapidly though it remains a small share of total air traffic. (Santiago 2010).
The air transports increased development ...

Give specific examples of at least two production and two consumption habits humans have related to material resources

There are various activities that human beings undertake in an effort to expand the commercial and domestic production and consumption processes and these activities are likely to cause adverse impacts on the sustainability of the indigenous flora and fauna. The most known production process that has impacted the environment negatively is the increased activities in the manufacturing industries. These industries emit hazardous gases such as sulfur dioxide, nitrogen dioxide and chlorofluorocarbon gases as well as the waste products such as dirty water and unnecessary end products. If these harmful gases are not carefully managed, they end up polluting the ...

Circulatory and respiratory Systems: An anatomical and physiological analysis

Circulatory and respiratory systems form the most important organ systems in any animal as they are both responsible for transporting the life sustaining element of oxygen to every cell and tissue in the body, while also collecting the wastes and disposing of them through various organs. However, the anatomy and the physiology of these systems differ radically in each classification of animals, in effect throwing light on the various stages of evolution in different types of animals. In this paper we shall discuss the circulatory and respiratory systems in four animals with regards to their anatomy and physiology so ...

Climate Change

The United Nations is a unique international organization. It was founded after the Second World War by the representatives of 51 countries, who were the supporters of the course in the maintenance of peace and security throughout the world, the development of friendly relations among nations and promoting social progress, better living conditions and state of affairs in the field of human rights. Its unique character and assigned by the Charter powers allow the Organization to carry out activities on a wide range of issues, being for its 193 Member States a forum that allows them through the General ...

Problem Identification

The World Wide Fund for Nature is a recent report indicated that deforestation is one of the major impacts of anthropogenic activities ("Environmental Problems in Australia"). It is characterized by cutting down trees and other aspects of vegetation without taking initiatives to plant more trees as replacements. Certain stakeholders have argued that it is quite hard to imagine a scenario or a period when about 90 percent of the earth’s surface was covered by vegetation. This imagination has raised tremendous debates with stakeholders making attempts to inquire the reasons for rapid deforestation rates. However, it is apparent that ...

Abstract

Global warming is a concept which is still developing in the modern times due to the continuing studies and researches regarding its natural cause and effects. Global warming is a term used to describe the rise of the average temperature of the earth which is experienced for only a century. Global warming and climate change could also refer to the current changes in the climate system of the earth as well as its effect on the ecosystem and on humans. The common cause of global warming and climate change is the great increase in the amount of greenhouse gases ...

Analysis of the Global Warming Issues and Their Solutions

In the last decade, humanity faced a new problem that has assumed the global character immediately. This problem is related to the intensive growth of the average temperature of Earth's atmosphere and ocean, that is why it was named global warming. In the last century, scientists were able to identify some of the causes of this problem and predict its consequences. To date, global warming has become a threat to the life of all humankind, as temperature rises. Thus, many processes and phenomenon assume a negative and even deadly character. In order to understand how it threatens humanity, it ...

Generation of electrical power through solar technology involves the conversion of energy in the sun’s radiation into electricity. The sun emits electromagnetic radiation which contains energy in the form of photons. Solar panels harvest this energy and convert it to electricity though a phenomenon referred to as the photovoltaic effect. A solar panel is made up interconnected solar cells, which are in turn fabricated from millions of light sensitive p-n junction diodes. The diodes are made from doped semiconductor materials such as crystalline silicon. Doping silicon with an impurity such as phosphorous introduces charge carries referred to as ...

Global warming is a problem that is actively discussed nowadays. Very often new hypotheses appear about its impact on the Earth and human beings. At first, we need to classify the information available, to create a clear understanding of global warming effect on our planet.
Global warming is the increase in the medium annual temperature of the Earth's atmosphere and oceans, because of much variety of reasons (increasing the concentration of gases in the Earth's atmosphere, solar variability or volcanic activity, etc.) (Haugen 14). Sometimes we use definition "greenhouse effect", but there is some differences between this two concepts. Greenhouse ...

Introduction

The remarkable industrial revolution of the 18th century had a very important milestone in the global civilization. As a matter of fact, it set the pace for the recent boost in technology today. However, this is also imperative to consider that the invention and subsequent advancement in the steam engine played an important role in the famous industrial revolution. Before the invention of the steam engine, industrial processes were manually based. More so, the earliest forms of steam engines produced by the engineer, Thomas Savery and even the subsequent development of the first practical steam engine by the English inventor, Thomas ...