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If there are some other causes of global warming and Earth's climate change, which we are facing today, what are they? How crucial for the Earth's climate are they in comparison with GHG emissions? Are they scientifically verified?

edited Dec 18 at 11:20

Carlos♦♦
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asked Dec 18 at 6:01

Alex
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Nicole · Answer 1 · 2009-12-21 16:08:03Z UTC

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Natural sources of atmospheric carbon include gases emitted by volcanoes, and respiration of living organisms. We breathe in oxygen, and breathe out carbon dioxide.

Links: http://www.sciencedaily.com/videos/2007/0603-can_carbon_dioxide_be_a_good_thing.htm

answered Dec 21 at 16:08

Nicole
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I think that the answer should take up the differences between natural greenhouse effect that keeps the planet inhabitable and the human induced global warming that causes extra warming. – Jan Kunnas Dec 24 at 15:31

Yee Chow · Answer 2 · 2010-01-19 02:12:43Z UTC

A global warming skeptic will say its also partly due to solar variability, which could be true. But in any case, to me, the whole debate is really about taking precautionary measures. Better to be safe than sorry. If global warming was proved to be wrong, so what? we would still have a renewable supply of energy, more energy efficient and secured society, and overall more sustainable environment.

xcgfdfgd · Answer 3 · 2010-05-10 08:53:08Z UTC

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the answer tyo my answetr is to question is global warming

answered May 10 at 8:53

xcgfdfgd
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Are there any other reasons of global warming and climate change except GHG emission caused by human activities?

3 Answers