However, over the past fifty years, production of carbon dioxide, nitrous oxide and methane has risen sharply, and a new type of chemical - the chlorofluorocarbon, or CFC - has been introduced as a refrigerant, solvent and aerosol propellant, but it is also a very powerful greenhouse gas, because it can trap a lot of radiation - one molecule of CFC is 12,000 to 16,000 times as effective at absorbing infra-red radiation as a molecule of carbon dixide...
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It is also created by living animals breathing, and is naturally converted by plants back to oxygen. However, deforestation is reducing the planet's carbon dioxide absoring capability. Nitrous oxide is a by-product of nylon production, and is also released by fertiliser use in agriculture. The extra methane is produced in coal mining, natural gas production and distribution (natural gas is methane), and waste disposal...
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Another Greenhouse Effect Filling the gas tank and mowing grass after the sun goes down are additional ways to reduce the greenhouse effect. The atmosphere is responsible for insulating the earth...	2 / 328
Ozone layer It covers an area about the size of the United States. Experiments done in Antarctica show that the hole in the ozone layer appears to let in twice as much ultraviolet radiation ans normal, according to measurements researchers made there...	2 / 465
Greenhouse Effect And The Hole In The Ozone Layer Plant respiration and the decomposition of organic matter release more than 10 times the CO released by human activities; but these releases have always been in balance with the carbon dioxide absorbed by plant photosynthesis...	4 / 895
Greenhouse Effect If you picture a greenhouse in its most classic form, a building structure that resembles that of a glass house, you can begin to understand the “greenhouse effect...	1 / 260