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With May Record, Global Temps in ‘New Neighborhood’

May 2016 was the warmest May on record globally, capping off a streak of 13 such record-setting hot months.

May Marks One More Record Hot Month for the World

May was the fifth record warm month this year, upping the odds that 2016 will be the hottest year on record.

Wildfires Disrupt Oil Sands, Exposing Climate Risk

Wildfires have forced a drastic cut to oil sands production in Canada, exposing a growing climate risk.

Scientists Turn Carbon Dioxide Emissions to Stone

For the first time, carbon dioxide emissions from an electric power plant have been solidified.

El Niño Had a Good Run, But Now It’s Over

This year's El Niño is officially over, but La Niña could be just around the corner.

Alaska Continues to Bake, on Track For Hottest Year

Alaska just had its warmest spring on record and is on track for its hottest year, thanks in part to global warming.

Arctic Sea Ice Breaks May Record . . . By A Lot

Arctic sea ice shrank to its fourth-lowest level in 50 years last month, setting a new record low for May.

Scientists Seek a New Measure for Methane. Here’s Why.

Scientists say there's a problem with the way they account for methane's effect on the climate.

Easing Drought Boosts California Hydropower, For Now

The easing of California's drought has boosted the state's ability to produce hydropower.

New Tar Sands Impact on Climate, Air Quality Found

A new study finds that the Canadian tar sands are a major source of secondary organic aerosols.

Acidifying Waters Put Dungeness Crabs at Risk

New research shows acidification caused by carbon dioxide kills and stunts baby Dungeness crabs.

U.S. Leads Globe in Oil Production for Third Year

The U.S. led the world in oil production last year for third year in a row, ahead of Saudi Arabia and Russia.

Abrupt Atlantic Ocean Changes May Have Been Natural

A slowdown in Atlantic currents that worsened blizzards, floods and hurricanes may have been natural.

2016 Is Off to a Scorching Start

April 2016 was the hottest April on record globally.

The New Normal: Earth is Getting Hotter

Temperatures we think of as normal are getting warmer.

‘99 Percent Chance’ 2016 Will Be Hottest Year

With the streak of record-warm months continuing, 2016 is looking likely to become the hottest year on record.

Power Plant Emissions Fall to Lowest Level in Decades

Falling carbon emissions from the electric power sector could help states meet their climate goals.

Sea Level Rise Could Help Marshes Ease Flooding

Marshes are used to reduce flooding, and new research shows how they could flourish as seas rise.

CO2 Nears Peak: Are We Permanently Above 400 PPM?

Carbon dioxide levels are nearing their annual peak, and they may not dip below 400 ppm again.

Young Forests Can Store ‘Enormous’ Amounts of Carbon

Forests that regrow after being cut play an unexpectedly valuable role in sequestering carbon emissions.

Gallery

Winter Temperature Trends Since 1970, winters in the continental U.S. have warmed by 0.61°F per decade on average.

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