ENERGY

The Environmental Working Group study suggests hydraulic fracturing uses more water than previously estimated.

The Missouri-based solar panel maker's purchase of First Wind Inc. means a dramatic boost in its renewable energy capacity.

The U.S. Senate will vote Tuesday on a bill that could approve the Canada-to-U.S. oil pipeline. In the South, some are looking for the jobs.

NTPC, formerly known as National Thermal Power Corporation, is expected to bag a substantial number of the country’s 204 coalfields at auction.

Infrastructure and government mandates will lead Brazil past the U.S. as the world's top biopower market.

The president's Green Climate Fund pledge could spark private investment in clean technologies and climate resiliency.

The Keystone XL pipeline was passed, again, by the House. But this time it's actually going to get a vote in the Senate.

A federal grand jury accused Don Blankenship of conspiring to violate federal mine safety rules at the Upper Big Branch mine.

Obama cited pending legal action in Nebraska and said it was hard to evaluate the pipeline proposal until the actual route was known.

The decision by U.S. District Judge Carl Barbier in New Orleans means BP could still face close to $18 billion of penalties for violating the federal Clean Water Act.

Baghdad and Iraqi Kurdistan reached a deal Thursday to ease tensions over oil exports through Turkey.

The federal loan program that backed failed solar firm Solyndra and other clean-energy firms is in the black and expects to earn billions more.

A measure backing Keystone XL may pass Congress, but Obama is likely to veto any challenge to his authority over it.

Analysts said prices could soon drop further to $70 a barrel if demand stays flat and output rises.

Analysts and project finance experts believe the company may have underestimated the difficulties of raising funds for the $7 billion project.

Regulations to curb power plant and tailpipe pollution, methane and refrigerants could help slash U.S. emissions.

President Obama and Chinese leader Xi Jinping agreed to curb greenhouse gas emissions in a first-of-its-kind deal Wednesday. Will it be enough?

The International Energy Agency in its annual outlook report said demand could rise by 37 percent by 2040.

Declining shipments to India would drag on global coal markets grappling with oversupply as China too tries to move toward cleaner fuels.

Under the terms of the ambitious pact, Xi Jinping agreed to cap emissions for the first time while Obama pledged deeper cuts for the U.S.

The Canadian Energy Research Institute estimates the increased investment will boost provincial employment by 75 percent.

Allowing U.S. crude exports would raise global oil supplies, in turn lowering overall prices, Larry Summers said.

Falling oil prices present economic challenges for the controversial pipeline, but they are unlikely to lower demand for the project.

The shortage is forcing utilities in several states to shut down coal plants in an attempt to preserve their stockpiles ahead of the winter.

Republicans are vowing to make the Canada-to-Texas pipeline a top priority come January.

The payment by Naftogaz is the first to Gazprom since May, when a row over gas pricing and unpaid debts escalated between Moscow and Kiev.

In its latest report, the Intergovernmental Panel on Climate Change called for 90% renewables by 2100.

About three to four meetings are scheduled to be held in preparation for the Nuclear Security Summit in 2016.

The head of Canada's largest oil-producing province says developers have alternatives to the proposed pipeline.