Global-Warming Warnings
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Abstract
Global warming is occurring at record levels and is due to increasing atmospheric greenhouse gases generated by human activities, according to several new government scientific reports issued in recent weeks. The rapidity of greenhouse gas impacts will make projections and mitigation efforts increasingly difficult and will result in a drastic transformation of Earth’s environment, the reports say. In a related development, researchers are reporting that airborne black carbon particles—which are a component of soot—hold twice the warming potential as previously thought. Rising seas, heat waves, erratic and intense rainfall, storm surges, and droughts are among the effects accelerating climate changes now under way. That is one conclusion of a draft report by the National Climate Assessment & Development Advisory Committee, a 60-member federal advisory body established to advise the President and Congress on climate-change issues. The draft assessment presents a grim picture of the ongoing impact from clima...