Science and Medicine

Extreme Summer Temperatures Occur More Frequently in United States

This supports the conclusion that extreme summertime temperatures are already occurring more frequently in parts of the lower 48 states. Extreme summer temperatures.

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Science and Medicine

Greenhouse Gas Index Continues to Climb

Scientists at NOAA’s Earth System Research Laboratory prepare the AGGI each year from atmospheric data collected through an international cooperative air sampling network.

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Science and Medicine

Tundra Fires May Speed Climate Change

This is the North Slope of Alaska and the Anaktuvuk River fire scar in 2007 as seen from space in a MODIS satellite.

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