Admittedly that is only a third of the rate at which humanity dumps the stuff into the atmosphere by burning fossil fuels, but it certainly helps to slow down global warming.
无可否认，这仅仅是人类燃烧化石类燃料向大气层中排放速率的三分之一，但它的确有利于减缓全球变暖的进程。
Clearing woodland by burning it is a trick almost as old as humanity itself, but the presence of man also increases a forest's susceptibility to fire.
烧掉树木以得到空地是几乎和人类一样古老的伎俩，但是人类的存在也增加了森林对火灾的敏感性。
The basic claim of the paper is that by burning fossil fuels at a prodigious pace and pouring heat-trapping gases into the atmosphere, humanity is about to provoke an abrupt climate shift.
这篇论文的基本论点是，人类以惊人的速度燃烧化石燃料，把温室气体排放到大气中，这即将引发剧烈的气候变化。
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