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Now Playing: 09-27-13 Marketplace - Slow science

The world’s top climate scientists issued their most definitive report yet on the challenges and risks of climate change -- specifically human-caused global warming. The report is six years in the making, because climate science operates at a glacial pace. Congress also seems to move at a glacial pace -- except when it has to move faster. And the deadline for a government shutdown looms next week. Also, Carlyle Group private equity is investing in Dr Dre’s Beats Electronics. It’s a vote of confidence in the company’s ability to be more than a fad, and to expand into other audio electronics globally.