Warming trees limit warming – a little

Warming trees limit warming-a littleWarmer temperature prompts trees to release aerosols which in turn stimulate cloud formation. And that can help to cool the temperature, at least modestly.
Trees may provide the Earth with a little shade from global warming – indirectly. European and Canadian researchers report that they have found what engineers like to call a negative feedback loop above the forests of Europe and North America.
It works like this. Trees – those natural chemical factories that routinely deliver complex aromatic compounds such as

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