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The Population Bomb
The Population Bomb By Paul Erhlich The book The Population Bomb, Paul Erhlich describes the impending problem of human overpopulation. Eventhough this book was written in the 1960's, Erhlich still brings up many points which are still valid in today's society. Environmental science often is not thought of by the public or the government, let alone the problem of human overpopulation, so this book served as one of the first looks into the issue. Environmental activists are often shunned as bein...

ENVIRONMENTAL POLLUTION
ENVIRONMENTAL POLLUTION Automobiles all around the world everyday, and their exhaust destroys our air everyday. Our environment is a major aspect of our life today. Many of us don't take our Earth seriously and think that as long as pollution doesn't hurt them they can go ahead and throw garbage on the ground or spill oil down the drain. Well to many people have that theory and they are killing off our Earth and also physically harming themselves from the air they breath and the water they swim...

Hydrogen Car
Hydrogen Car The trouble with today's cars is that they still put out a lot of pollution, and use up fossil fuels. One day, we have to run out of fossil fuels. People have been talking about running cars on water for ages. Unfortunately, most of the time, these people are crackpots. But there is a certain amount of truth in what they say. Now I know that trying to predict the future is hard, but I think that an electric car, powered by a fuel cell running on hydrogen, could be a goer! If you re...

The Worlds Natural Resources Are Being Consumed At An Alarming Rate. A
The world's natural resources are being consumed at an alarming rate. As these resources diminish, people will be seeking alternative sources by which to generate electricity for heat and light. The only practical short term solution for the energy-crisis is nuclear power. Nuclear power, however is not as safe as burning coal, gas or oil in a factory it is in fact , much more dangerous, There are dangers associated with a nuclear power plant which far out weigh the benefits to society as a whol...

The Greenhouse Effect
The Greenhouse Effect The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. ?The glass? lets the sun light in to make heat but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts and climate changes which could alter our way of living. The main gases that cause the greenhouse effect are water vapor, carbon dioxide (CO2), and methane...

Introduction
Introduction The discipline of archaeology can open up the past to us in a way in which we can enter into a dialogue with our ancestors. There are many ways it can do this: stratigraphic excavation, pottery typology, socio-historic interpretation, etc. However, one thread running through this increasingly focused pursuit is that of dating the physical findings to a particular cultural timeline. This is crucial if we are to know, with as much certainty as is allowed, who we are speaking with. In...

The Greenhouse Effect
The Greenhouse Effect The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. ?The glass? lets the sun light in to make heat but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts and climate changes which could alter our way of living. The main gases that cause the greenhouse effect are water vapor, carbon dioxide (CO2), and methane...

Organism Adaptation 5-4-1993 1)stimulus: A Change In The Environment T
Organism Adaptation 5-4-1993 1)stimulus: a change in the environment that necessities a response, or adjustment by an organism (ex. swirling dust) response: the adjustment or change you make to a stimulus (ex. blinking your eyes) 2)Protists respond to a negative stimuli by moving away from it. Protists respond to: light, irritating chemicals, temperature, touch, etc. 3)Yes, they grow towards the stimulus (ex. light). photoropism: it means the organism grows towards the light. no geotropism: it m...

Costa Rica
Costa Rica Greg Coffta Bio190/Costa Rican Adventures 11/30/1999 Part I Banana: Bananas were most likely picked up by the European traders in Southeast Asia when in search for spices. Soon, as the discovery of the Tropics arrived, traders took bananas to Central America. Breadfruit: this fruit commonly grows among the southern Pacific islands, and it probably found its way to Costa Rica when the natives started to explore on boat. Chocolate: as far as I could find, chocolate is native to Central ...

Global Warming
Global Warming Meghan McDonald McDonald 1 Mr.Hrkal OAC World Issues December 18th, 2000 Global Warming Now, for the first time in Earth's history, humans may be a decisive factor in future climate change. The actions we make towards the temperature of the earth and the depletion of the ozone layer are irreversible. A warmer future could result from present-day human activities releasing large amounts of heat-trapping gases into the air. These greenhouse gases are part of the reason for the 1?F (...

Global Warming
Global Warming What happens when too much carbon dioxide gets omitted into the Earth's atmosphere? The condition known as Global Warming occurs. Global Warming is the rising of the Earth's surface temperature due to chemicals in the atmosphere. Global Warming has many threats on the climate and even the health of the people on this planet. Some of these threats include the altering of crop seasons and even effect the way organisms survive on the planet. The first thing I think I should discuss w...

Ground Level Ozone Regulations
Ground Level Ozone Regulations What: In 1997 the Environmental Protection Agency(EPA) established new ozone standards. The EPA also placed special restrictions on twenty-two states in the Ohio Valley and Midwest regions to prevent emissions from coal-burning power plants from being carried into the New England States by wind currents. (Tennessee is one of these twenty-two states.) Both of these rulings were recently either struck down or placed on hold by Federal Appeals Courts. Why: The regulat...

The Greenhouse Effect
The Greenhouse Effect The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. ?The glass? lets the sun light in to make heat but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts and climate changes which could alter our way of living. The main gases that cause the greenhouse effect are water vapor, carbon dioxide (CO2), and methane...

Fusion
Fusion Fusion reactions are inhibited by the electrical repulsive force that acts between two positively charged nuclei. For fusion to occur, the two nuclei must approach each other at high speed to overcome the electrical repulsion and attain a sufficiently small separation (less than one-trillionth of a centimeter) that the short-range strong nuclear force dominates. For the production of useful amounts of energy, a large number of nuclei must under go fusion: that is to say, a gas of fusing n...

Globalisation And Sustainability
Globalisation And Sustainability Globalisation and Sustainability: The Importance of Government Sidney Rua Student #: 990129213 Frasier Valentine POL103Y1 April 10, 2000 The world was once vast and unknown. Communication was once dreaded as messages would take exceeded amounts of time from one point of destination to the next. Countries would not know of each other's affairs for months because the world was large beyond anyone's imagination. But as soon as technology reared its head the world ra...

Fossil Fuels
Fossil Fuels FOSSIL FUELS. Contents Outline 3 I. Introduction (Fossil Fuel Energy) 4 II. Types of Fossil Fuels 6 Coal 6 Oil 7 Natural Gas 8 III. Conclusion 9 Bibliography http://www.energy.ca.gov/education/story/story-html/chapter05.html http://webhome.idirect.com/~bobita/Cretaceous/Uses_Of_Fossils/index.htm http://science.cc.uwf.edu/SH/Curr/fossil.fuel.htm http://www.education.leeds.ac.uk/~edu/technology/ebp97/leec/coal.htm http://www.education.leeds.ac.uk/~edu/technology/ebp97/leec/gas.htm Oth...

Acid Rain
Acid Rain Introduction: What Causes Acid Rain? One of the main causes of acid rain is sulfur dioxide. Natural sources, which emit this gas, are Volcanoes, sea spray, rotting vegetation and plankton. However, the burning of fossil fuels, such as Coal and oil, are largely to be blamed for approximately half of the emissions of this gas in the world. When sulfur dioxide reaches the atmosphere, it oxidizes to first form a sulfate ion. It then Becomes sulfuric acid as it joins with hydrogen atoms in ...

Evironmentalism
Evironmentalism Evironmentalism: The Next Step Broad Social Change Through Personal Commitment Introduction In the last thirty years, America has witnessed an environmental revolution. New laws like the 1963 Clean Air Act and the 1974 Safe Drinking Water Act forged new ground in political environmentalism. Social phenomena like Earth Day, organized by Dennis Hayes in 1970, and the beginning of large-scale recycling, marked by Oregon's 1972 Bottle Bill, have help change the way Americans think ab...

Sources Of Energy
Sources Of Energy Sources of Energy Have you ever thought about how we get the energy to run the things we take for granite every single day. There are many sources of energy that that are used for transportation, heat, light, and the manufacturing of goods of all kinds. The development of science and civilization is closely linked to the availability of energy in useful forms. The seven main energy sources are fossil fuels, hydroelectric, solar power, win power, geothermal, nuclear power, and b...

Air Pollution
Air Pollution Air pollution Introduction With the great concern surrounding the destruction of the earth's atmosphere due to air pollution, the immediate and direct harm caused to the human body is often over shadowed. While many are aware that our careless use of hazardous chemicals and fossil fuels may leave the planet uninhabitable in the future, most over look the fact that they are also cause real damage to our bodies at this moment. Such pollutants cause damage to our respiratory system, l...

Economical Effects Of El Nino
Economical Effects Of El Nino Economical Effects of El Ni?o El Ni?o is a warm coastal current that flows south along the coasts of Ecuador and Peru (Wyrtki). El Ni?o is a Spanish term meaning the child. The name refers to the Christ child because it usually begins around Christmas and ends around Easter (Cane). El Ni?o has recurred about twenty four times in the last century (Erickson). It is first recorded as far back as the early 1500's and returns on average of once every four years (Cane). E...

Fusion: Our Futures Energy?
Fusion: Our Future's Energy? Fusion energy seems to be the most promising energy source of the not-too-distant future. It is safe, it uses an energy supply that is so abundant that it will never run out, it gives off harmless waste, and it produces energy comparable to the Earth's sun! But are there any problems with this hopeful energy source? What is Nuclear Fusion? To understand fusion, it is a good idea to know about fission. This is the splitting of the nuclei of atoms into two or more sma...

The Greenhouse Effect
The Greenhouse Effect The greenhouse effect is an increase in the atmospheric temperature caused by increasing amounts of greenhouse gases. These gases act as a heat blanket insulating the Earth's surface absorbing and trapping heat radiation which normally escapes from the earth. They include carbon dioxide, water vapor, methane, nitrous oxide, CFC's, and other halocarbons. The earth's atmosphere goes through two processes constantly. Global cooling is the first process. This process uses the c...

Plants
Plants Life science 7th grade Jr high Chapter 1 Plants are the basis of the food pyramid for all living things, even other plants. They have always been very important to people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter and a great many other purposes. Both humans and animals benefit from plants. We eat many different types of plants such as fruits and vegetables. We also use plants for our herbs. Plants are also used to manufacture many different produc...

World Issues
World Issues There are many important world issues. Among these issues, we have studied the rapid growth of the world, which was the topic of critical importance. The extraordinary rapid increase of the world population constitutes a serious problem in which no citizen of the world can remain indifferent. The public has become increasingly aware of the dramatic rise in the rate of the world population growth during the three centuries of the modern era. There is a tendency on the part of many to...

The Enviromnetal Degradation As A Result Of Overpopulation
The Enviromnetal Degradation as a Result of Overpopulation 1 Introduction There are simply too many people on our planet, and the population is not showing any signs of slowing down(see Figure 1). It is having disastrous effects on our environment. There are too many implications and interrelationships to discuss in this paper, but the three substances that our earth consists of: land, water and air, are being destroyed. Our forests are being cut down at an alarming rate, bearing enormous impact...

Toward A Sustainable Community
Toward a Sustainable Community Not until the spread of the Industrial Revolution in the late nineteenth century, has man possessed the ability to adversely alter, on a global scale, the geologic and climatic cycles that have existed for millennia. Planet earth, which man calls home, is approximately 5 billion years old. The science of paleontology tells us that man is a relative new comer to the planet. Modern man did not arrive on the scene until approximately 10,000 to 15,000 years ago. Develo...

Organism Adaptations
Organism Adaptations 1)stimulus: a change in the environment that necessities a response, or adjustment by an organism (ex. swirling dust) response: the adjustment or change you make to a stimulus (ex. blinking your eyes) 2)Protists respond to a negative stimuli by moving away from it. Protists respond to: light, irritating chemicals, temperature, touch, etc. 3)Yes, they grow towards the stimulus (ex. light). photoropism: it means the organism grows towards the light. no geotropism: it means the...

Plants
Plants Biology Life science 7th grade Jr high Chapter 1 Plants are the basis of the food pyramid for all living things, even other plants. They have always been very important to people, not only for food, but also for clothing, weapons, tools, dyes, medicines, shelter and a great many other purposes. Both humans and animals benefit from plants. We eat many different types of plants such as fruits and vegetables. We also use plants for our herbs. Plants are also used to manufacture many differen...

The Greenhouse Effect
The Greenhouse Effect The greenhouse effect occurs when gases such as methane, carbon dioxide, nitrogen oxide and CFCs trap heat in the atmosphere by acting as a pane of glass in a car. ?The glass? lets the sun light in to make heat but when the heat tries to get out the gases absorb the heat. Holding this heat in causes heat waves, droughts and climate changes which could alter our way of living. The main gases that cause the greenhouse effect are water vapor, carbon dioxide (CO2), and methane...

Hopeful Encounter
Hopeful Encounter The sun was setting. Far to the east, threatening black clouds arose from the fumes of pollution from the several smoke stacks towering over the city. The streets were pock marked and dented with the recent shower of acid rain. Hot boiling steam from the sewers made the temperature of day much hotter than it really was. Just outside the borders of the city is a lake covered with muck and crude oil spills. Death and despair floated aimlessly on the surface of the unhospitable bo...

Nuclear Energy
Nuclear Energy From Theory to Practice The nuclear age began in Germany, in the 1930s in the lab of chemist Otto Hahn. Hahn was attempting to produce radium (In great need during the war) by bombarding uranium atoms with neutrons. To his surprise, he ended up with a much lighter element, barium. That was 1938, This started the race for the power of the atom. Just four years later Canada entered nuclear age in cooperation with the british. Wartime, 1942: The British wanted a safe place to conduct...

Light: A Fundamental Force In Our World
Light: A Fundamental Force In Our World If asked what light is, one could say that it's one of the most basic elements of our world and our universe as we perceive it. It is through sight that we receive 90% of our information. It is through the use of telescopes aiding the naked eye that we are aware of the heavenly bodies around us. It is through light that the energy from the sun is transferred to us. The sun's energy supports the food chain; plants use it to turn water and CO2 into energy us...

Cannabis Hemp. . .Marijuana!
Cannabis Hemp. . .Marijuana! Article copied work for work from April 1990 Issue of High Times Magazine pages 37-41 and page 57. OUR CHALLENGE TO THE WORLD: TRY TO PROVE US WRONG-- If all fossil fuels and their derivatives (coal, oil, natural gas, synthetic fibers and petrochemicals) as well as the deforestation of trees for paper and agriculture (e.g., Brazilian & Indonesian rainforests), are banned from use in order to save the planet, preserve the ozone layer and reverse the greenhouse effect...

Biosphere
Biosphere The biosphere is part of the earth in which life exists. It is 20 km thick from the bottom of the ocean to the lower atmosphere. It consists of three layers: the lithosphere, which is the land on the surface of the earth; the hydrosphere, which comprises of the water on the earth as well as water vapor in the air; and the atmosphere, which is made up of the air that surrounds the earth. The living organisms in the biosphere interact and affect each other in many ways. This is called a...

Pulling The Plug On Mother Earth
Pulling The Plug On Mother Earth Whether it be through intensified media attention, or due to the efforts of prominent scientists and other members of society, we have become increasingly aware of the detrimental effects that technological advances in industry and agriculture have on the global environment. However, as Carl Sagan points out in Pulling the Plug on Mother Earth awareness is not enough, nor is society's response to the catastrophic implications of environmental pollution rapid en...

Carbon Dioxide
Carbon Dioxide Carbon dioxide has been rising in the atmosphere throughout time. Recently though, the levels of carbon dioxide have been increasing at a more alarming rate. The cause of this is a direct result of man's burning of fossil fuels. We know that every action we make, as humans, will have some effect on the environment around us and those effects can be either good or bad. The rising levels of carbon dioxide in the atmosphere may potentially inflict some negative effects on our enviro...

Economy And Environment
Economy And Environment Whether it be through intensified media attention, or due to the efforts of prominent scientists and other members of society, we have become increasingly aware of the detrimental effects that technological advances in industry and agriculture have on the global environment. However, as Carl Sagan points out in Pulling the Plug on Mother Earth awareness is not enough, nor is society's response to the catastrophic implications of environmental pollution rapid enough. Sl...

Air And Water
Air And Water A major transition in the modern energy age began in the 1970s, when the big nation's industry started to grow up rapidly. The use of oil was very important and overnight, oil prices shot through the roof, and the trend of ever-cheaper, ever-more-plentiful energy sources were in need. Another player on the modern energy stage is nuclear power. An industry that didn't exist 40 years ago is now at a huge amount of production, producing 20 percent of the nation's electricity. Ironica...

Nuclear Power
Nuclear Power Most of the world's electricity is generated by either thermal or hydroelectric power plants. Thermal power plants use fuel to boil water which makes steam. The steam turns turbines that generate electricity. Hydroelectric power plants use the great force of rushing water from a dam or a waterfall to turn the turbines. The majority of thermal power plants burn fossil fuels because thermal power plants are cheaper to maintain and have to meet less of the governments requirements co...

Acid Rain And North America
Acid Rain And North America In the past century, one of the greatest threats to North America's aquatic ecosystem has been the widespread acidification of hundreds of thousands of waterways. Acid rain has effected plant and animal life within aquatic ecosystems, as well as microbiologic activity by affecting the rates of decomposition and the accumulation of organic matter. What causes this poisonous rain, and what can be done to improve North America's water quality and prevent future catastro...

Acid Rain
Acid Rain What is acid rain? Acid rain is the term for pollution caused when sulfur and nitrogen dioxides combine with atmospheric moisture. The term 'acid rain' is slightly misleading, and would be more accurate if deemed 'enhanced acid rain', as rain occurs acidic naturally. Acidity is measured on what is know as the pH scale. Fourteen is the most basic, seven is the most neutral, and zero is the most acidic. Pure rain has a pH level of 7, which is exactly neutral. The acidity of rain is dete...

Acid Rain
Acid Rain What Causes Acid Rain? One of the main causes of acid rain is sulfur dioxide. Natural sources, which emit this gas, are Volcanoes, sea spray, rotting vegetation and plankton. However, the burning of fossil fuels, such as Coal and oil, are largely to be blamed for approximately half of the emissions of this gas in the world. When sulfur dioxide reaches the atmosphere, it oxidizes to first form a sulfate ion. It then Becomes sulfuric acid as it joins with hydrogen atoms in the air and f...

Acid Rain
Acid Rain My first question is , What is Acid Rain? You hear about it all the time in the news and it is very important to the earth's ecosystem. In simple terms, acid rain is rain that is more acidic than normal. All objects in nature have a certain level of acicicity but acid rain has too much acid in it. Acid rain is a complicated problem, caused by air pollution. Acid rain's spread and damage involves weather, chemistry, soil, and the life cycles of plants and animals on the land and from...

Acid Rain
Acid Rain Acid rain is a serious problem with disastrous effects. Each day this serious problem increases, many people believe that this issue is too small to deal with right now this issue should be met head on and solved before it is too late. In the following paragraphs I will be discussing the impact has on the wildlife and how our atmosphere is being destroyed by acid rain. STATISTICS Although there is very little data, the evidence indicates that in the last twenty to thirty years the aci...

Air Pollution
Air Pollution Air Pollution is addition of harmful substances to the atmosphere resulting in damage to the environment, human health, and quality of life. One of many forms of pollution, air pollution occurs inside homes, schools, and offices; in cities; across continents; and even globally. Air pollution makes people sick, it causes breathing problems and promotes cancer, and it harms plants, animals, and the ecosystems in which they live. Some air pollutants return to earth in the form of aci...

Air Pollution
Air Pollution Acid rain is a problem that has plagued earth for years. It is poisoning our waters, animals, plants, soil, and more. It is a problem that can not be ignored or it might have catastrophic results on our environment. Acid rain is caused by air pollution, which is due to man-made actions. Scientists have discovered that air pollution from the burning of fossil fuels is the major cause of acid rain. Power plants and factories burn coal and oil, which is used to produce the electricit...

Air Pollution
Air Pollution With the great concern surrounding the destruction of the earth's atmosphere due to air pollution, the immediate and direct harm caused to the human body is often over shadowed. While many are aware that our careless use of hazardous chemicals and fossil fuels may leave the planet uninhabitable in the future, most over look the fact that they are also cause real damage to our bodies at this moment. Such pollutants cause damage to our respiratory system, leading to the fluctuation ...

Air Pollution
Air Pollution With the great concern surrounding the destruction of the earth's atmosphere due to air pollution, the immediate and direct harm caused to the human body is often over shadowed. While many are aware that our careless use of hazardous chemicals and fossil fuels may leave the planet uninhabitable in the future, most over look the fact that they are also cause real damage to our bodies at this moment. Such pollutants cause damage to our respiratory system, leading to the fluctuation ...

Climate
Climate Change Over the past years most individuals have become acutely aware that the intensity of human and economic development enjoyed over the 20th century cannot be sustained. Material consumption and ever increasing populations are already stressing the earth's ecosystems. How much more the earth can take remains a very heated issue. Here a look at the facts sheds some very dark light. In 1950, there were 2.5 billion people, while today there are 5.8 billion. There may well be 10 billion...