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Forecasters Lower Hurricane Season Expectations

The Atlantic hurricane season may be more lackluster than thought with conditions unfavorable to storms.

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.

See Power Plants Most Vulnerable to Flooding

A new mapping tool shows how floods could drown some of the nation’s most critical power plants.

Tornado Outbreaks Could Have a Climate Change Assist

Large tornado outbreaks are becoming more common with a possible climate change assist.

Putting a Climate Context on SoCal’s Flash Floods

Heavy rains and flash floods across Southern California Sunday were a product of monsoons and dry soils.

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.

Picture This: Eerie Wildfire, Stirring Rainbow & Sharknado!

A ghostly photo of the El Portal wildfire and a stunning rainbow lead this week's best weather images.

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.

Waiting to Slash CO2 Emissions? It Could Cost You

The cost of delayed action on climate change could spike if no action is taken, the White House says.

Tornado Hits Near Boston As Cold Air Invades U.S. Again

A tornado touches down north of Boston as another blast of colder-than-normal air invades the eastern U.S.

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.

Picture This: Lucky Lightning Photo & Crazy Bug Swarm

Check out one lucky photo of a lightning strike, along with an apocalyptic-looking swarm of insects on radar.

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.

Why Do We Care So Much About El Niño?

The obsessive attention to the state of the latest El Niño comes from the major global impacts it can have.

Gallery

The Age of Man: A New Geologic Epoch Scientists think the past 250 years represent the beginning of a new geologic era, marked by human influence around the planet.