Christopher Joyce Christopher Joyce is a correspondent on the science desk at NPR. His stories can be heard on all of NPR's news programs, including NPR's Morning Edition, All Things Considered, and Weekend Edition.
Christopher Joyce 2010
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Christopher Joyce

Hanna Barczyk for NPR

How Sound Reveals The Invisible Within Us

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Experts Explain Why 2015 Is A Warm One For Earth's Climate

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Negotiators In Paris Sign Off On Ambitious Climate Deal

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What The Last-Minute Climate Deal-Making Means For the Pact

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Paris Climate Talks Conclude With Landmark International Agreement

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Paris Climate Negotiators Continue Into Overtime

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At Climate Change Conference, More Time Is Needed To Reach A Deal

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Environmental Activists Adjust Their Tactics Since First Climate Talks

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Deadline Nears For Negotiators To Reach Deal On Climate Change

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French Bread Is Known Worldwide, Says Chief Baker At Climate Talks

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Young boys in Beijing check a smartphone in front of their home near a coal-fired power plant. As China's economy slowed in 2015, its industrial use of coal likely dropped, too, researchers say. That may be behind the slight drop in global CO2 emissions. Kevin Frayer/Getty Images hide caption

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Kevin Frayer/Getty Images

Small, Surprising Dip In World's Carbon Emissions Traced To China

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Talks In Paris To Reach A Treaty On Global Warming Enter Final Week

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President Obama attended the plenary session of the international climate conference Monday, just outside Paris. By using regulations instead of treaties, Obama hopes to continue to cut U.S. emissions of greenhouse gases. Eric Feferberg/AFP/Getty Images hide caption

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Eric Feferberg/AFP/Getty Images

How Obama Hopes To Achieve U.S. Climate Goals

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A power-generating windmill turbine is seen in front of the Arc de Triomphe on the Champs Elysees avenue in Paris ahead of the COP21 World Climate Summit, which begins Monday. Christian Hartmann/Reuters /Landov hide caption

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Christian Hartmann/Reuters /Landov