"In the past few weeks, there’s been a battery of new studies on batteries. Not the kind in your cellphone, but a much more revolutionary make – the kind that is already powering many cars, and that might someday help power your home."

"OVER THE GULF OF MEXICO — A blanket of fog lifts, exposing a band of rainbow sheen that stretches for miles off the coast of Louisiana. From the vantage point of an airplane, it's easy to see gas bubbles in the slick that mark the spot where an oil platform toppled during a 2004 hurricane, triggering what might be the longest-running commercial oil spill ever to pollute the Gulf of Mexico."

"In the five years since the Deepwater Horizon accident, the oil and gas industry has not retreated to safety. Instead, it has expanded its technological horizon in ways that make it harder to foresee the complex interactions between drilling technologies, inevitable human errors and the ultra-deepwater environment."

"WASHINGTON — A panel of federal judges appeared inclined on Thursday to dismiss the first legal challenge to President Obama’s most far-reaching regulation to slow climate change."

"A House committee approved a bill Wednesday granting states authority to regulate waste generated from coal burned for electricity, largely bypassing a federal rule issued last year."

"Washington’s Port of Longview says it is in talks with an energy company that last year submitted plans for a crude oil refinery on the Columbia River."

"Two Tennessee environmental groups claim toxic pollution from a coal-burning power plant is seeping into the Cumberland River and state regulators are not doing enough to stop it."

"Three decades after EPA left regulation to states, they're still taking a 'see no evil' approach to oil-and-gas-waste, Earthworks says."

"President Obama’s most far-reaching regulation to slow climate change will have its first day in court on Thursday, the beginning of what is expected to be a multiyear legal battle over the policy that Mr. Obama hopes to leave as his signature environmental achievement."

"Poor countries are feeling 'the boot of climate change on their neck', the president of the World Bank has said, as he called for a carbon tax and the immediate scrapping of subsidies for fossil fuels to hold back global warming."