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Blind to the threat

ASHEVILLE, N.C. — Satellite observation is vital to understanding climate change and the threat it poses to national security, but the U.S. government has ignored warnings that the aging environmental satellite system is close to collapse. Now the Obama administration wants to make up for lost time — but increased satellite spending will face some Republicans in Congress who call climate change a hoax.

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Losing the Andes glaciers

HUARAZ, Peru — U.S. officials have called climate change in South America a national security threat, but little has been done. Rapid glacier melt in the Andes is a leading example; how the U.S. chooses to respond will affect the region’s stability, and Americans’ national security.

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Houston oil infrastructure exposed to storms

HOUSTON- Lessons from Hurricane Ike reveal weaknesses in Houston’s defenses against storms and rising sea water. Climate scientists and storm modelers expect the effects of climate change to make crucial energy infrastructure there more vulnerable.

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Arctic military posturing heats up

KODIAK, Alaska–While many of the national security threats posed by climate change exist in the realm of the future, the changes in the Arctic are happening right now —but some say the U.S. government is unprepared for the challenges they bring.

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