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Global Warming: Nature Can't Save Us From Ourselves http://apocadocs.com/s.pl?1310649428
The notion that nature itself will act as a check on the atmospheric excesses of humanity has long held a fair amount of appeal, not least because it draws on a nugget of high-school science that most people can quickly comprehend. Plants inhale carbon dioxide, after all -- they need it to grow. Add more CO2 to the air, as human civilization has been doing in copious amounts since the dawn of the Industrial Revolution, and the result will surely be thicker, more expansive biomass....
It's a conviction readily embraced by climate skeptics....
But scientists generally agree that the influence of increased biomass will be modest, essentially acting like a brake on a runaway freight train. It might be able to slow steadily rising temperatures, but it will hardly be enough to stop global warming in its tracks....
"To solve the carbon-climate problem, we need to transform our energy system into one that does not dump its waste into the sky," Caldeira said. "Land plants help. It looks like they won't help quite as much as we thought they would. Clearly, we can't expect nature to solve our problems for us."
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[Read more stories about:
global warming, deniers, ecosystem interrelationships, carbon sinks, methane release]
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