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Climate change: Rainforest absorption of CO2 becoming erratic http://apocadocs.com/s.pl?1391219184
Tropical rainforests are becoming less able to cope with rising global temperatures according to a study that has looked back over the way they have responded to variations in temperature in the past half a century.
For each 1C rise in temperature, tropical regions now release about 2 billion extra tonnes of carbon-containing gases - such as carbon dioxide and methane - into the atmosphere, compared to the same amount of tropical warming in the 1960s and 1970s, the study found.
Rising levels of man-made carbon dioxide could stimulate the growth of tropical vegetation by providing them with extra "carbon fertiliser" but scientists believe this beneficial effect is probably being outweighed by the detrimental impact on forest growth caused by the extra heat and drought resulting from higher CO2 concentrations.
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[Read more stories about:
carbon emissions, rain forest depletion, koyaanisqatsi]
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'Doc Jim says:
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That's why we're cutting the rainforest down as fast as we can. We get carbon credits!
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