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Global warming is caused by increased levels of carbon dioxide and other greenhouse gases in the atmosphere. This increase is the result of human activity, such as the burning of coal to produce energy and the deforestat... More »

www.reference.com Science Earth Science

The greenhouse effect is easily explained to kids by comparing Earth to a greenhouse full of plants. The glass of a greenhouse traps heat and allows the plants inside to stay warm all year long, while Earth's atmosphere ... More »

www.reference.com Science Earth Science Atmosphere

The National Wildlife Federation explains that global warming is thought to be caused by the greenhouse effect, which is the result of certain gases in the atmosphere trapping the heat of the sun and preventing it from r... More »

www.reference.com Science Environmental Science Human Impact
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Global warming refers to the gradual increase in the temperature of the Earth's surface, atmosphere and oceans as a result of greenhouse gases. Carbon monoxide emissions created by deforestation and burning fossil fuels ... More »

www.reference.com Science Environmental Science Human Impact

Global pollution statistics indicate trends showing increased emissions of greenhouse gases such as carbon dioxide, methane and fluorinated gases, as of 2015. These trends show global carbon emissions from fossil fuels h... More »

www.reference.com Science Environmental Science Pollution

The National Wildlife Federation explains that global warming is thought to be caused by the greenhouse effect, which is the result of certain gases in the atmosphere trapping the heat of the sun and preventing it from r... More »

www.reference.com Science Environmental Science Human Impact

The gases that play a role in global warming include carbon dioxide, nitrous oxide, methane, chlorofluorocarbons and water vapor. These compounds are called greenhouse gases because their presence in the atmosphere can b... More »

www.reference.com Science Environmental Science