"In many parts of the country, areas that are now full of houses and schools and shopping centers were once oil and gas fields. You wouldn't know it by looking, but hidden underground, there are millions of abandoned wells. New development happening on top of those old wells can create a dangerous situation."

"AUSTIN, Texas — The state has removed aerial-surveillance photos taken during severe floods from a public website. The decision comes after the El Paso Times earlier this month published a story with dozens of such photos showing apparent oil spills in different river systems over the past few years."

"The company hoping to build the Keystone XL oil pipeline is rejecting Donald Trump’s proposed deal to approve its construction."

"In his pledge to aggressively expand American oil and gas production, and his framing of that push as a salvation for the nation’s economic and fiscal health, Donald J. Trump is following in the footsteps of decades of Republican politicians. But in a market where domestic oil production is already higher than it has been in 40 years, and natural gas production is at a historic high, those proposals have run up against a major problem: the global economy."

"A cloud of noxious particles brewing in the air above the Alberta oil sands is one of the most prolific sources of air pollution in North America, often exceeding the total emissions from Canada’s largest city, federal scientists have discovered."

"When U.S. EPA ended its investigation of drilling and drinking water contamination in Dimock, Pa., the agency said the water was safe to drink. Now, another federal agency looking at the same data says it wasn't safe."

"BISMARCK, N.D. — Donald J. Trump traveled Thursday to the heart of America’s oil and gas boom, where he called for more fossil fuel drilling and fewer environmental regulations while vowing to “cancel the Paris climate agreement,” the 2015 accord committing nearly every nation to taking action to curb climate change."

"Radical changes are coming to transportation."

"The University of Massachusetts said it will divest from direct fossil-fuel holdings in its endowment, without specifying the total amount of its investment."