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100 Countries Push to Phase Out HFCs

Hydrofluorocarbon used in air conditioners could add 0.5°C to global temperatures by the end of the century.

Streak of Record-Hot Temps Adds Another Month

August marked 16 record-hot months in a row, virtually guaranteeing 2016 will be the hottest year on record.

‘Ghost Forests’ Appear As Rising Seas Kill Trees

The forests of dead trees are prevalent along the mid-Atlantic coast, where sea level rise is rapid.

Climate Change, Explained in One Simple Comic

Nerdy web comic xkcd has an amazing look at what "the climate has changed before" actually means.

CO2, Climate Change Seen As Waste Disposal Challenge

Some scientists are increasingly looking at global warming as a waste disposal problem.

August Ties July as Hottest Month Ever on Record

August continued the remarkable streak of record hot months in 2016, and tied July as the hottest month on record.

Soaring Ocean Temperature ‘Greatest Hidden Challenge’

A new report warns that global warming is changing the behavior of marine species and spreading disease.

Louisiana Floods Directly Linked to Climate Change

Unprecedented rainfall in parts of Louisiana last month was made more likely by global warming.

Here’s What China, U.S. Just Committed to on Climate

With key documents filed Saturday by China and U.S., the UN climate pact may take effect this year.

Federal Rule Set to Speed Renewables on Public Lands

The Obama administration is expected to finalize a rule this fall aiming to fast-track renewables on federal land.

Tropical Storm Madeline Sent CO2 Below 400 PPM

The Mauna Loa Observatory had a brief respite from 400 ppm carbon dioxide readings thanks to Madeline.

Natural Gas Emissions to Surpass Those of Coal in 2016

Carbon dioxide emissions from burning natural gas for electricity in the U.S. are set to surpass those from burning coal.

Study Finds Biofuels Worse for Climate than Gasoline

New research suggests American biofuels are doing more harm to the climate than good.

Study Suggests Earlier Onset of Human-Driven Warming

The signal of human-driven warming can be detected as far back as the 1830s, a new study finds.

In Streak of Extreme Storms, What’s the Role of Warming?

The massive rains and flooding in Louisiana are the latest in a string of extreme U.S. storms this year.

After Scorching Heat, Earth Likely to Get Respite in 2017

In a welcome break, a new annual heat record is unlikely in 2017 since the effect of El Niño is fading.

With Warming, Western Fires May Sicken More People

Tens of millions more Western residents are expected to suffer from sickening "smoke waves" as temperatures rise.

Biomass Power Slumps as EPA, Industry Spar on Science

Wood energy can help industries manage waste, but it's not as climate friendly as Congress claims.

Stagnant Air on the Rise, Upping Ozone Risk

Hot weather can trigger high levels of air pollution that can have health consequences for millions of Americans.

Europe Aims to Close Loophole on Wood Energy

Europeans are working to close a loophole in their climate rules that promotes harmful wood energy.

Gallery

Washington, DC: July Days Over 90 Degrees By mid-century in Washington, DC, the the sweltering heat of July 2010 may be thought of as cooler-than-average conditions

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