News tagged with dilemma

Climate negotiation as a bargaining game

For more than two decades, members of the United Nations have sought to forge an agreement to reduce global greenhouse gas emissions. But so far, these international climate negotiations have had limited ...

dateMay 12, 2014 in Environment
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Galaxies the way they were

(Phys.org) —Galaxies today come very roughly in two types: reddish, elliptically shaped collections of older stars, and bluer, spiral shaped objects dominated by young stars. The conventional wisdom is ...

dateApr 03, 2013 in Astronomy
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