May 31

Obama to announce regulation effort to curtail carbon

The new pollution rule the Obama administration announces Monday will be a cornerstone of President Barack Obama's environmental legacy and arguably the most significant U.S. environmental regulation in decades. But it's not one the White House wanted.

Following 12 years of research and testing, designers and pilots Bertrand Piccard and Andre Borschberg debuted a huge solar-powered plane in Switzerland this week. The plane, which boasts a wingspan wider than a 747's, is covered in more than 17,000…

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