North America's biggest countries will try to generate half of their electricity from zero-carbon sources.
California’s Central Valley has three times more freshwater in underground aquifers than previously thought.
China can tap just 10 percent of its wind resources to supply a quarter of its power by 2030.
California's overworked firefighters are being forced to take on another task — clearing dead trees.
Following a big eradication program, it's been a year since a nutria was detected on the Delmarva Peninsula.
Nearly 400 scientists are asking President Obama to halt oil and gas leasing in the Arctic Ocean.
Through a vast ecological analysis, scientists found reef fisheries that were healthier than expected.
As the energy sector starts to clean itself up, greenhouse gases released by farming continue to rise.
India has agreed to work toward joining the Paris Agreement on climate change this year.
Wildfires have forced a drastic cut to oil sands production in Canada, exposing a growing climate risk.
For the first time, carbon dioxide emissions from an electric power plant have been solidified.
A new $12 annual parcel tax will raise $25 million for marsh restorations in the San Francisco Bay Area.
Overfishing, sewage and farm pollution pose a threat to reefs around the world.
Scientists say there's a problem with the way they account for methane's effect on the climate.
Climate change could boost the carbon sequestration potential of Alaska's temperate forests.
The easing of California's drought has boosted the state's ability to produce hydropower.
Great Barrier Reef corals that died had been growing in a pristine part of a well-run marine park.
Three-fifths of wetlands in the West are in “poor” condition, but marsh restorations are underway.
It could take close to two years to work out a detailed rule book for a sweeping shift from fossil fuels.
A new program will enable 20 countries at risk to put together contingency plans for climate change.