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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 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.

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.

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.

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.

Artificial Leaf Turns CO2 Emissions Into Fuel

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

Scientists Urge Obama to End Federal Coal Leasing

Scientists are calling for the Obama administration to ban coal development on federal public lands.

Global Economy Becoming Less Energy Intense

It takes less energy to keep the world’s businesses and industry humming today than in the past.

Efficiency, Clean Energy Put Dent in CO2 Emissions

A new report shows electric power utilities are reducing carbon pollution that fuels climate change.

U.S. Faces Dramatic Rise in Extreme Heat, Humidity

Rising extreme heat and humidity in the U.S. cities threaten public health.

Negative Emissions Key to Meeting 2°C Threshold

Removing carbon from the atmosphere may be necessary to keep global warming from exceeding 2°C.

Court Decision on Climate Plan Jolts Carbon Prices

The Supreme Court's stay of the Clean Power Plan made carbon prices in the Northeast tumble.

Mexico, Canada, U.S. to Make Clean Power Pledge

North America's biggest countries will try to generate half of their electricity from zero-carbon sources.

‘Water Windfall’ Found in Drought-Stricken California

California’s Central Valley has three times more freshwater in underground aquifers than previously thought.

Extreme Oil Prices May Be Costly to the Climate

Extreme high or low oil prices could prevent countries from keeping global warming from exceeding 2°C.

Scientists Urge Obama to Halt Oil Leasing in the Arctic

Nearly 400 scientists are asking President Obama to halt oil and gas leasing in the Arctic Ocean.

India Aims to Join Paris Climate Pact

India has agreed to work toward joining the Paris Agreement on climate change this year.

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.

Gallery

Fall Temperature and Precipitation Trends Nationwide, fall is warming at a rate of 0.43°F per decade – that’s 1.9°F since 1970.

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