In a complex legal settlement with the Sierra Club, Ohio's American Electric Power Company would eventually convert three coal-burning plants totalling 1,500 megawatts to natural gas and bring online 900 megawatts of wind and solar.

"Surging demand for trucks and SUVs fueled by cheap gasoline is holding back improvements in U.S. fuel economy and greenhouse gas emissions, a government report due out on Wednesday is expected to show."

"Islamic State is looking at potentially vulnerable oil assets in Libya and elsewhere outside its Syria stronghold, where the militant group controls about roughly 80 percent of the oil and gas fields, a senior U.S. official said on Tuesday."

"Southern California Gas Co. says it detected a gas leak on Oct. 23 in its Aliso Canyon storage facility. A month and a half later, it still hasn't been able to stop it."

"Lawmakers have agreed to lift the four-decade-old ban on crude oil exports as part of a spending and tax package announced by congressional leadership on Tuesday night, according to a GOP lawmaker. In exchange, Republicans agreed to extend a series of expired or expiring renewable energy tax breaks."

"A landmark deal to curb global warming dented shares of fossil fuel companies and lifted renewable energy stocks on Monday, although some price swings were muted by the non-binding nature of the pact."

"Florida's Everglades has an ecosystem known for its sawgrass, cypress trees, alligators — and perhaps soon, oil wells."

"About 5,000 oil and gas wells sit on national wildlife refuges — some of the prettiest land that American taxpayers own — and more than a thousand of them are spewing oil and brine because regulations written a half-century ago don’t force owners to plug leaks that are harmful to animals."

"A contingent of powerful U.S. representatives are pressing the chief executives of six of the country's largest fossil fuel companies, including ExxonMobil, Chevron and Shell, to answer questions about when the companies first understood that burning fossil fuels drives climate change and whether they became active partners in an effort to downplay the harm that could result."

"Global carbon dioxide emissions may be dropping ever so slightly this year, spurred by a dramatic plunge in Chinese pollution, according to a surprising new study released Monday."