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Climate Change Threatens Half of North America’s Birds

Over three hundred species, including the bald eagle and 10 U.S. state birds are at risk from climate change.

Warming in Europe Raises Risks of Tropical Diseases

As temperatures rise in Europe, researchers warn of the increased risk of mosquito-borne diseases.

The Jargonaut: What’s a Rossby Wave?

An explanation of what a Rossby wave is and how it could be messing with U.S. weather patterns.

Depths of Atlantic May Hold Key to Global Warming Hiatus

Excess heat is being stored deep in the Atlantic and Southern oceans – not Pacific as previously thought.

Hot and Getting Hotter: Heat Islands Cooking U.S. Cities

Since 1970, cities have been warming, and have been getting hotter far faster than adjacent rural areas.

July Checks In as 4th Warmest on Record Worldwide

July 2014 was the 4th-warmest on record globally, following world's warmest June on record.

Ongoing Coverage of Historic Drought in U.S.

A roundup of coverage on the most extensive and intense drought to hit the U.S. since at least 1956.

California Has Hottest Start to Year While Midwest Chills

California has had its hottest first seven months of the year, crushing the previous record.

87 Cities, 4 Scenarios and 1 Really Hot Future

Analysis shows how many more “extremely hot” days different U.S. cities could feel in the near future.

Has Your City Reached its Peak Heat Yet?

Check out when peak heat generally hits for a variety of cities across the U.S.

6 Degrees: Arctic Sea Ice Is Melting, but East Coast Isn’t

Review of top climate news, from the state of Arctic summer sea ice melt to the cost of delayed action on climate.

Blistering Future Summers for 1,001 U.S. Cities

Models show summers are going to keep warming as emissions continue. See what this will warming feel like.

Record-Setting Drought Intensifies in Parched California

California's already terrible drought just go worse, again. Now 58% of the state is in exceptional drought.

Derailments May Increase as ‘Sun Kinks’ Buckle Tracks

Heat waves made worse by climate change could warp railroad tracks with sun kinks, causing derailments.

California Drought Intensifies

The relentless heat that has plagued the western half of the country this summer has ratcheted up California’s terrible drought once again.…

Hottest Days of Summer

The hottest time of year in the continental U.S. statistically comes in mid-July, but the timing of peak heat varies across different parts of…

Late July Chill Helps Set Record Lows Across the East

Record lows were set across the eastern U.S. on July 30 as another bout of cool air from Canada invaded.

Win-Win Way Pinpointed to Aid Food Security & Climate

Scientists say they have found a way to feed billions of people, while reducing environmental stresses.

Number of ‘Hot Days’ Are on the Rise: See Your City

“Hot days” are likely to happen much more often if we continue to pump CO2 into the atmosphere.

Driven by Ocean Heat, World Sets Mark for Hottest June

Oceans were the hottest they've been on record this June, leading to a month of record heat across the world.

Gallery

Longer Frost-Free Seasons Since 1970, much of the U.S. has seen the frost-free season get longer.