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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.

UN Climate Pact Moves Closer to Taking Effect

A slew of documents filed on Wednesday pushed the new UN climate treaty closer to taking effect.

Climate Central’s ‘Pulp Fiction’ Wins National Award

Climate Central’s groundbreaking series Pulp Fiction won the Online News Association award for explanatory journalism.

UN Expects 20 Nations to Join Paris Pact Next Week

At least 20 countries have indicated they will join the Paris climate agreement at a United Nations event on Sept. 21.

CO2, Climate Change Seen As Waste Disposal Challenge

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

Obama Administration Unveils Vision for Offshore Wind

The federal government on Friday unveiled its vision for wind farms off of nearly every U.S. coastline.

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.

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.

California’s New Climate Rules, Explained

A progressive culture and Silicon Valley-style innovation turned California into a climate leader.

Study Finds Biofuels Worse for Climate than Gasoline

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

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.

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.

Legal Doubts Over California’s Cap-and-Trade Program

California's cap-and-trade program is in legal doubt, but state officials are publicly ignoring the problem.

As Earth Swelters, Global Warming Target in Danger

The Earth is so hot this year that a limit for global warming agreed by world leaders is in danger of being breached.

Europe Aims to Close Loophole on Wood Energy

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

Michigan Scientists See Urgency for Negative Emissions

Scientists say it is increasingly urgent to develop negative emissions technology to meet climate goals.

Cities Rush to Measure Climate Footprint After Paris Deal

The number of cities reporting on their efforts to tackle global warming has skyrocketed.

Artificial Leaf Turns CO2 Emissions Into Fuel

Scientists are developing an artificial leaf that can turn carbon dioxide emissions into fuel.

China’s Coal Peak Hailed as Turning Point

Economists say an achievement by the world’s biggest polluter may be a significant milestone, rather than a blip.

Gallery

Antarctic Ice: What’s Going On September marks the end of winter when the sea ice that surrounds Antarctica swells to its maximum extent.

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