... it can create single, double, and triple covalent bonds. Carbon skeletons occur when two or more carbon atoms bond to each other. This skeleton contributes to the great diversity of molecules that are carbon based. The simplest organic molecule is a hydrocarbon, when only a hydrogen and carbon atom is bonded. When carbon is bonded to one or more different elements it creates different ... ions when dissociated. The amino group is the building block of protein. The cross-links of sulfhydryls stabilize proteins. And phosphates are required for energy transfer. Because of carbon's unique val...

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The greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (water vapor, carbon dioxide, nitrous oxide, and methane) trap energy from the sun. Without these gases, heat would escape back into space and Earth's average temperature would be about 60 ∘F colder. Because of ... range of impacts on plants, wildlife, and humans. When scientists talk about the issue of climate change, their concern is about global warming caused by human activities. The atmosphere contains carbon dioxide in variable amounts, usually 3 to 4 parts per 10,...

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... consumption of fossil fuel has increased dramatically. The world now burns at least five billion tons of fossil fuel each year. As this carbon dioxide from burning fossil fuels enters the atmosphere, some of it is taken up by photosynthesizing plants, and the oceans absorb some. But because ... , motorcycles, and lawnmowers all burn gasoline, which is extracted from oil. Energy is one of the quickest ways to reduce the buildup of carbon dioxide in the atmosphere. If we really want to control the greenhouse effect and global warming, then people everywhere must learn to use energy more .....

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... consumption of fossil fuel has increased dramatically. The world now burns at least five billion tons of fossil fuel each year. As this carbon dioxide from burning fossil fuels enters the atmosphere, some of it is taken up by photosynthesizing plants, and the oceans absorb some. But because ... , motorcycles, and lawnmowers all burn gasoline, which is extracted from oil. Energy is one of the quickest ways to reduce the buildup of carbon dioxide in the atmosphere. If we really want to control the greenhouse effect and global warming, then people everywhere must learn to use energy more .....

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... active volcano can reach up into the atmosphere and reflect solar radiation, essentially dimming the sun. Along with the ash comes carbon dioxide. The large amount of carbon dioxide that is coming out of volcanoes can affect local climate. Globally the carbon dioxide emitted by volcanoes is 200 million tons annually (USGS, 2007). Furthermore the changes in solar radiation will result in more radiation ... effect may be a natural cause, but the air pollution of humans has increased its ability to retain heat. Since the Industrial Revolution the levels of carbon dioxide, nitrous oxide, and...

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... enormous impacts on the health of earth. Our oceans and seas are being polluted and overfished. Our atmosphere is injected with increasing amounts of carbon dioxide, which hurts the entire planet. All of these problems can be traced to our vast, rapidly expanding population, which has stressed our world ... murder that which gave him birth, Ripping out the slow womb of earth - from The Golden Gate, by Vikram Seth The water vapour and carbon dioxide naturally present in our atmosphere absorb and block just enough escaping warmth to keep the planet at an average temperature of fifteen degr...

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... oceans. Phytoplankton become abundant when an excess amount of iron is introduced to the oceans surfaces, the phytoplankton is photosynthetic in nature use carbon dioxide in order to undergo photosynthesis. The carbon dioxide is gained through the atmosphere, lowering carbon dioxide level in the atmosphere. There is speculation that iron fertilization if large enough in size such as a volcanic eruption creates a balance ... the water column through the photosynthetic phytoplankton. Hypothesis have been formed stating that through man made surface ocean iron fertilization, it is possible...

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... are burned. Emissions from incinerators, waste treatment plants, electric power plants, factories, household furnaces, cars and buses are all contributors to this problem. (Stegar/Bowermaster 1990) Carbon dioxide is recovered from the atmosphere in photosynthesis and reused. After excretion, waste products are broken down and reconstituted as foods in the soil. Water, minerals and other chemicals ... now occur at two to three times the rate the world's oceans and forests can absorb them - leading to steady increases in atmospheric concentrations of heat-trapping gas carbon dioxide. Glob...

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... change (Keller, 1999). The earth's climate is predicted to change because human activities are altering the chemical composition of the atmosphere through the buildup of greenhouse gases - primarily carbon dioxide, methane, and nitrous oxide. The heat-trapping property of these gases is undisputed. Although uncertainty exists about exactly how earth's climate responds to these gases, global temperatures are ... Geographic, 1990). Some scientists do not believe this. Over 17,000 scientists have signed a petition saying, in part, "there is no convincing scientific evidence that human relea...

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... change (Keller, 1999). The earth's climate is predicted to change because human activities are altering the chemical composition of the atmosphere through the buildup of greenhouse gases - primarily carbon dioxide, methane, and nitrous oxide. The heat-trapping property of these gases is undisputed. Although uncertainty exists about exactly how earth's climate responds to these gases, global temperatures are ... Geographic, 1990). Some scientists do not believe this. Over 17,000 scientists have signed a petition saying, in part, "there is no convincing scientific evidence that human relea...

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... warmth finds its way back to the surface of the globe via the troposphere, the lower part of the atmosphere. Unfortunately, many modern human activities produce greenhouse gases as waste. Carbon dioxide, which is one of the most common, is produced in vast quantities by industrialized nations like ours, and as more and more countries are becoming industrialized, the volume of ... carbon dioxide in the atmosphere is increasing. Another important contributor to the problem is methane, which is released by farm animals and rotting trash. All these gases in the air have started ... Onion ...

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... : Fact or Fiction What is global warming? Global warming is the common scientific belief which states that man is producing greater and greater amounts of "Green House Gasses" such as carbon dioxide and methane, which trap the suns heat inside our atmosphere, heating up the planet to dangerous levels. This largely excepted scientific belief isn't scientific at all. It is merely nonsense ... eventually returns to its original patterns, and that we are "misunderstanding " global weather patterns (NASA Earth). Dr. Ellen Mosley-Thompson, a research scientist at the Byrd Polar Research Center...

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... Industrial Revolution brought about a massive change in the world's atmosphere. The world began altering the climate and environment through agricultural and industrial practices. The cause is a thickening layer of carbon dioxide pollution, mostly from power plants and automobiles that traps heat in the atmosphere. Global temperatures increased by about 1 degree Fahrenheit over the course of the last century, and will likely ... of these natural causes of temperature variations are unknown and unpredictable at the present. Sunspots are a significant factor. Human caused warming is by incr...

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... in the earth's orbit (Anon, 2001). REDUCTION OF CO2 Several scientists will agree that a reduction in CO2 may be one factor that leads to the ice ages. Because carbon dioxide "traps sunlight close to the earth, less carbon dioxide in the atmosphere means colder weather" (Watson, 1997). Over the past 160,000 years, including two ice ages, global temperatures have fluctuated in sync with ... carbon dioxide levels (Hughes 1993, pg. 17). Still, that does not explain why the carbon dioxide levels fell. Some believe that the drop is associated with "weathering - a process [where] carbon dioxi...

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... in the earth's orbit (Anon, 2001). REDUCTION OF CO2 Several scientists will agree that a reduction in CO2 may be one factor that leads to the ice ages. Because carbon dioxide "traps sunlight close to the earth, less carbon dioxide in the atmosphere means colder weather" (Watson, 1997). Over the past 160,000 years, including two ice ages, global temperatures have fluctuated in sync with ... carbon dioxide levels (Hughes 1993, pg. 17). Still, that does not explain why the carbon dioxide levels fell. Some believe that the drop is associated with "weathering - a process [where] carbon dioxi...

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... and climate, and heats the earth's surface and in turn the earth radiates energy back into space. Greenhouse gases, such as water vapor, carbon dioxide, and other gases, trap some of the outgoing energy, retaining heat. Without this natural greenhouse effect temperatures would be much lower than they are ... The greenhouse gases than make the atmosphere trap this radiation causing it to warm up the Earth more than it should. Gases, such as carbon dioxide, methane, water vapor and nitrous oxide all build up in the atmosphere. Each greenhouse gas differs in its ability to absorb heat in .....

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... of the amount of greenhouse gases humans are pouring into the atmosphere. Human activities have altered the chemical composition of the atmosphere through the buildup of greenhouse gases, primarily carbon dioxide, methane, and nitrous oxide. Much of the scientific community believe that these gases are causing unnatural climate warming that could have unimaginable effects on life (Schnieder, 21 ... of livestock. Nitrous oxide is emitted during agricultural and industrial activities. Greenhouse gas absorbs heat in the atmosphere. Since the beginning of the industrial revolution, atmospheri...

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... increase the earth's albido, thus cooling the global climate. The focus of international climate change negotiations has been the emission of greenhouse gasses, particularly carbon dioxide, into the atmosphere. Without these greenhouse gasses, such as ozone, carbon dioxide, water vapor and methane, our planet would be much colder than it is today. (Cunningham, 2000) During pre-industrial times, levels of greenhouse ... of so-called "natural- events. For example, prior to the proliferation of land-based green plants, carbon dioxide levels in the stratosphere were much higher. These high l...

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... is able to break down quickly and get mixed into the soil. Finally, volcanic gases (The gases are volatile matter composed principally of about 90% water vapor, and carbon dioxide, sulfur dioxide, hydrogen, carbon monoxide, and nitrogen.) are the source of all the water (and most of the atmosphere) that we have today (Simkin & Siebert). Furthermore, volcanoes have done wonderful ... during eruptions. The most abundant gas typically released into the atmosphere from volcanic systems is water vapor (H20), followed by carbon dioxide (C02) and sulfur dioxide (S02). Volcanoes also release smal...

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... which is about 14.7 pounds per square inch. Such difference in atmospheric pressure is due to the fact that Venus's atmosphere is made up primarily of carbon dioxide with small amounts of nitrogen and water vapor. Thus making Venus's atmosphere the heaviest of all planets. Earth and Venus both have what we call a ... effect. Gases in the atmosphere that allows sunlight to pass through but block heat from passing into space cause the greenhouse effect. Carbon dioxide is the most efficient atmosphere warmer. The more carbon dioxide in the air the faster the planet will heat up. One reason...

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... , the greenhouse effect is the main reason why the earth continues to get hotter. According to Harold Bernard, "recent global temperature trends are a manifestation of the greenhouse effect" (13). Since carbon dioxide and methane are depleting the ozone layer, the sun's radiation is beating down on the earth. For instance, "[t]he year 1998 was the warmest since accurate records began in the ... many causes that increase the critical conditions of global warming. One major cause of global warming is the use of fossil fuels, which emit tons of CO2 into the atmosphere. "Carbon dioxide emiss...

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... on the last page to view a graph of the rise in temperature over the years.) It first emerged when scientists noticed the relationship between carbon dioxide, CO2, levels and the climate. They were concerned that it may result in an excessive cooling, not warming. The predictions based on computer ... natural phenomenon that comes from water vapor, which in turn, warms the earth. (Watson 25) The gases consist of carbon dioxide, methane, water vapor, nitrous oxide, and ozone. Carbon dioxide, as scientists claim, is the greenhouse gas that is the main factor causing global warming. It is ...

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... atmospheric pressure on Earth, which is about 14.7 pounds per square inch. Such difference in atmospheric pressure is due to the fact that Venus's atmosphere is made up primarily of carbon dioxide with small amounts of nitrogen and water vapor. Thus making Venus's atmosphere the heaviest of all planets. Earth and Venus both have what we call a greenhouse effect. Gases in the ... atmosphere that allows sunlight to pass through but block heat from passing into space cause the greenhouse effect. Carbon dioxide is the most efficient atmosphere warmer. The more carbon dioxide in the air the ...

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... might not seem like a lot, but some coastal cities will disappear. After a few centuries, our generations of descendants need to live under the water. Forests, plants, and trees help absorb carbon dioxide; by cutting down most of the forest trees, we will create pollution. In U.S, the scientist's estimate that an all forests, plant and trees in this country could offset 20 percent ... to 40 percent of the estimated 6.2 billion tons of carbon dioxide emissions. We have to protect our forest, because a tree is the only thing that can reduce the amount of carbon dioxide in the atmosphere. ...

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... might not seem like a lot, but some coastal cities will disappear. After a few centuries, our generations of descendants need to live under the water. Forests, plants, and trees help absorb carbon dioxide; by cutting down most of the forest trees, we will create pollution. In U.S, the scientist's estimate that an all forests, plant and trees in this country could offset 20 percent ... to 40 percent of the estimated 6.2 billion tons of carbon dioxide emissions. We have to protect our forest, because a tree is the only thing that can reduce the amount of carbon dioxide in the atmosphere. ...

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