Analysts are unsure whether cheap rooftop solar will inspire businesses and homes to "defect" from the power grid.
Two new studies show how drastically CO2 has affected Earth's climate in the distant past.
As temperatures rise, droughts will worsen across the American West. Here's how to adapt.
Climate scientists and planners speak different languages, jeopardizing adaptation efforts.
New York State is creating a smart grid research lab to help integrate renewables into the electric power grid.
More than 80 percent of states are mulling collaborations to help them meet power plant climate rules.
For the third year, the U.S. produced more crude oil and natural gas than any other country in the world in 2014.
Should flood insurance subsidies be reformed to help communities abandon coastal settlements?
It won't have a big climate impact, but climate scientists cutting back on air travel could have huge symbolic value.
The federal government plans to train 75,000 solar workers by 2020, and many will be veterans.
As investments in wind and solar climb, backing major hydropower projects may be risky in a warming world.
The next international climate pact is taking shape, and the U.S. and EU are leading the way.
Global renewables investments increased 17 percent in 2014 as solar and wind costs fell dramatically.
No matter the fate of Keystone XL, many other pipelines could transport Canadian tar sands oil to refineries.
Research suggests media focuses on doom and gloom of climate change, rarely on possible fixes.
Scientists have mixed opinions about whether stagnant global energy-related CO2 emissions are a trend.
U.S. biodiesel and "green" diesel imports declined in 2014 after setting records in 2013.
Not every kind of oil is the same in terms of greenhouse gas emissions, a new report says.
California and Quebec's cap-and-trade programs have been linked, making climate action cheaper.
States that fail to consider climate change in emergency planning won't qualify for some FEMA grants.