Since October, a natural gas storage well near Los Angeles has been spewing hundreds of tons of methane gas each day. The leak isn't expected to be fixed for months.
In the past, when political tensions increased, oil prices went up too amid supply risks. But now OPEC's power is down and U.S. oil supplies are much greater, helping hold prices steady.
Renewable energy is only one of the steps toward achieving the goals set by the Paris climate deal. We take a trip around North America to explore other ways of keeping carbon out of the atmosphere.
Europe has extracted natural gas from organic waste for about a decade, and now it's spreading to the U.S. In Colorado, efforts are under way to produce natural gas from human waste and food scraps.
As homeowners embrace solar, utilities are making less money, and that's shaking up their business model. Companies in California and Georgia are handling the growth in dramatically different ways.
Hold out your hand for a century, and 100 million particles of dark matter will pass through each second without leaving a trace. Still, a physicist in South Dakota thinks he may be able to catch one.
Congress has extended tax credits for clean energy as part of a $1.8 trillion spending bill. Solar and wind power companies say it will catapult the industry at a time when costs are already falling.
U.S. drivers are becoming accustomed to lower prices at the pump, and sales of bigger cars are rising. But if people start driving more because they can afford it, will it hurt environmental efforts?
The wind power industry is celebrating a milestone in November: 70 gigawatts of generating capacity. Researchers say that's enough to power 19 million homes.
Last week, San Diego's city council voted to transition to using 100 percent renewable energy by 2035, becoming the first major American city to enter a legally binding agreement to do so.
The holiday season can be stressful, but for energy workers, December is turning out to be especially tough. Oil and gas firms have laid off close to 56,000 Texans in the past year.
Such a move could be a boon for U.S. oil producers hoping to expand into the global market. The bill would also extend tax credits for wind and solar energy production.
Many analyzing the deal hammered out in Paris say it's way better than no plan at all. But proof, they warn, will be in the execution of efforts to cap global temperature rise at 2 degrees C or less.
Canada's potentially lucrative oil sands business faces serious economic challenges. It has some concerned about its future as environmental critics look for ways to keep the oil in the ground.
Is renewable energy expensive or cheap? This is a question being debated in Paris this week. Though there's no simple answer, in South Africa the verdict is in — and it's a surprising one.
Climate scientists say global emissions of carbon dioxide seem to have dipped a bit in 2015, though the world economy is still growing. China's reduced use of coal may be the main reason.
Rep. Lamar Smith of Texas is formally investigating a recent study on global warming. Smith calls the timing of the study's publication "suspicious." But many scientists call his tactics "bullying."
A federal jury has convicted former Massy Energy CEO Don Blankenship for conspiring to willfully violate mine safety standards at the site of a 2010 explosion that killed 29 people.
The Saudis could push up world oil prices by cutting their production. But they seem to feel that would mostly help their rivals, like Iran and Russia. So the Saudis are expected to keep pumping away.
Former Massey Energy CEO Don Blankenship was acquitted of two other counts, meaning he'll face far less than the potential 30-year prison sentence prosecutors had sought.
Past U.S. leaders tried to commit the nation via treaty to steep cutbacks in greenhouse gases. But without congressional support, those pledges fizzled. President Obama is trying regulation, instead.
