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lczlcz (lcz) 于 (Thu May 28 20:11:55 2009) 提到:
朱棣文建议把房顶漆成白色，既节省能源又遏制人造全球暖化。Science？ http://www.telegraph.co.uk/earth/earthnews/5389278/Obamas-green-guru-calls-for-white-roofs.html
Professor Steven Chu, the US Energy Secretary, said the unusual proposal
would mean homes in hot countries would save energy and money on air
conditioning by deflecting the sun's rays.
More pale surfaces could also slow global warming by reflecting heat into
space rather than
