Massachusetts is considering classifying wood pellets and other tree products as renewable energy.
Wildfires are raging across British Columbia. They're the latest sign of climate change in the northern forest.
The Southwest's monsoons are becoming more intense, even as less rain falls on average.
Cities are already suffering from the impacts of extreme heat. It'll only get worse as the climate changes.
Heat and humidity will reach deadly extremes in South Asia if greenhouse gas emissions aren't curtailed.
Move over, temperature spiral. A new animation shows what global warming looks like in more than 100 countries.
Two companies are planning to build the world's largest project combining offshore wind with electricity storage.
Miami just had its hottest month on record, fueled by a near-record streak of 90-degree days and sultry nights.
The Western wildfire season is off to a busy start, as rising temperatures fuel more and larger wildfires.
A new wind farm could become the largest in the U.S. and wean states off coal-fired power plants.
Climate change is one reason the area burned by western wildfires is increasing.
The number of large wildfires in the West is rising and climate change is playing a role.
New Jersey aims to shrink its climate footprint by reducing wasted food that ends up in landfills.
Snowy conditions have stymied summer melt on Greenland this year, but the vast ice sheet is still losing ice.
Nearly 50 million acres of forest disappeared worldwide in 2015, mainly in North America and the tropics.
With weeks left in the melt season, Arctic sea ice area is already below the annual low of the 1980s.
South Miami, Fla., has become the first city outside of California to mandate solar panels on new homes.
California municipalities have filed first-of-their-kind lawsuits against fossil fuel giants over sea level rise.
Trends in nighttime temperatures are a symptom of a world warming from from climate change.
Halfway through 2017, the year is the second hottest on record, even without an El Niño to help boost its temperature.