The vast, untapped natural gas reserves in Pennsylvania's Marcellus Shale are the subject of much debate. Scientists who are trying to shed light on the safety of drilling are facing a host of obstacles, including lack of funding and data. Susan Phillips Scientists who are trying to shed light on the safety of drilling are facing a host of obstacles.
After a third sleepless night, climate negotiators in Durban, South Africa, finally found a way to reach a compromise early Sunday. The agreement charts a course for a legally binding climate pact that would include all the major emitters, including China, the United States and India.
The United Nations climate conference in Durban, South Africa, was scheduled to wrap up Friday, but the negotiations have gone into overtime. Host Scott Simon talks with NPR's Richard Harris about what is still under discussion.
The basic idea is to have rich countries that emit lots of climate-warming gases pay poorer countries to keep their forests, or even expand them. That's because forests suck carbon from the atmosphere. But there's not yet a global system to make a plan like this work.
Key portions of the Kyoto Protocol are set to expire at the end of 2012. But many of the world's major greenhouse gas emitters have already set national targets to reduce emissions, and they're forging their own initiatives to meet those goals.
Reporting in Science, researchers write of an experiment in which rats worked to open the cages of trapped rats, but not empty or dummy-filled cages. Author Peggy Mason discusses empathy in non-primates, and the value rats place on freeing a companion--about equal to that of a stash of chocolate chips.
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