l Methane -rise into air -wetlands -animals -forest,fire,fossil fuels *climate change + *cloud on tropical forests *green vegetation source+ *fluctuation in parallel change in temperature -ice core store information *co2 link to change -methane hydrates *trap ocean *release global warming *study not involved in the increase -vegetation sensitive to change *variations cause of decline
*speculation emission diminish *better to plant trees *methane by vegetation impact climate *grow faster, more warming *accelerate by anthropogenic activities *plant feedback unlikely
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