Space sunshade might be feasible in global warming emergency

The possibility that global warming will trigger abrupt climate change is something people might not want to think about. But University of Arizona astronomer Roger Angel thinks about it.

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<p><a href="http://www.physorg.com/news81795874.html">Space sunshade might be feasible in global warming emergency</a></p> <p>The possibility that global warming will trigger abrupt climate change is something people might not want to think about. But University of Arizona astronomer Roger Angel thinks about it.</p>