Scientists have mixed opinions about whether stagnant global energy-related CO2 emissions are a trend.
Not every kind of oil is the same in terms of greenhouse gas emissions, a new report says.
As natural gas booms, renewable energy proponents wonder if it will hurt or help solar power.
The International Energy Agency says global energy-related CO2 emissions were flat in 2014.
National forests, parks and other public lands play a major role in America's defense against climate change.
The world must make electricity more climate-friendly, or it may not be able to meet its climate goals.
President Obama's Keystone XL veto on Tuesday kills only a bill, not the pipeline itself.
Leading cap-and-trade programs are spending billions on clean energy and other climate programs.
EPA may extend CO2 emissions cut targets beyond 2020 at utilities' request.
Researchers say slashing the energy requirements of the water supply will become critical as drought becomes more common.
A new Bloomberg report shows that clean energy investments in the U.S. are growing again.
The EPA says the Keystone XL Pipeline will emit 1 billion more tons of GHGs over conventional crude oil.
Methane is a potent greenhouse gas — but there’s a lot we can do about it.
Four things to know about the Keystone XL Pipeline as a decision by the Obama administration looms.
A new global calculator let's the average Joe be world leader for a day to determine our future climate.
U.S.-India relations are warmer now than they've been in a long time. Can that help slow global warming?
Study shows which parts of the Great Barrier Reef & others can bounce back from mass bleaching events.
Boston's methane emissions from aging pipes and other sources may be more than double official estimates.
U.S. coal production may be declining partly because of the market and partly because of climate policy.
Seven things to know about the EPA's plan to cap methane emissions from oil and gas wells.