Duke University

Lessons offered by emerging carbon trading markets

Although markets for trading carbon emission credits to reduce greenhouse gas emissions have stalled in United States federal policy-making, carbon markets are emerging at the state level within the U.S. and around the world, ...

Mar 21, 2014
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Fine-tuning Stephen Hawking's theory of mass

(Phys.org) —If you want to know your body's mass, you hop on a scale and watch the needle swing. But if you want to know the mass of a region out in space, there's no cosmic equivalent—the best you can ...

Mar 18, 2014
4.4 / 5 (36) 9