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                is the gradual warming of the earth because of heat trapped by carbon dioxide and other gases in the atmosphere.

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All of the disasters resulted from_______ will continue to have a devastating effect on socio-economic development.

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Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse _______.

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A strong greenhouse effect will warm the oceans and partially melt glaciers, increasing ______.

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Certain _______  in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.

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Methane is a far more active _______ than carbon dioxide, but also one which is much less abundant in the atmosphere.

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Greenpeace works to promote public                of the dangers that threaten our planet today.

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Carbon dioxide is released through _______  processes such as respiration and volcano eruptions and through                        activities such as deforestation, land use changes, and burning fossil fuels.