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 Figure nca3 3411 (left) A stylized representation of the natural greenhouse effect Most of the sun's radiation reaches the Earth's surface Naturally occurring heattrapping gases, including water vapor, carbon dioxide, methane, and nitrous oxide, do not absorb the short wave energy from the sun but do absorb the longwave energy reradiated from the Earth, keeping the11 Is the greenhouse effect a natural or unnatural process?The Earth's greenhouse effect is a natural consequence of the chemical makeup of its atmosphere If it were not for the greenhouse effect, life as we know it could not exist on Earth it would be too cold Our atmosphere is made mostly of nitrogen and oxygen, but also contains several other gases These include Climate Processes Marian Koshland Science Museum Natural greenhouse effect images

 The Kyoto Protocol is an international agreement that called for industrialized nations to reduce their greenhouse gas emissions significantly Other accords, like At the top of the troposphere, 12 miles high, ozone acts as a greenhouse gas, trapping heat In the middle of the tropsohere, ozone helps clean up certain pollutants At the bottom of the troposphere, at Earth's surface, ozone makes smog Scientists have divided the atmosphere into different layers, each with a name The layer closest to the ground, where weOf the six greenhouse gases, three are of primary concern because they're closely associated with human activities Carbon dioxide is the main contributor to climate change, especially through the burning of fossil fuels Methane is produced naturally when vegetation is burned, digested or rotted without oxygen Oil and gas production, cattle farming, waste dumps and rice farming release Ib Bio Core 5 2 The Greenhouse Effect Flashcards Quizlet Greenhouse gases definitio...