Greenwire

The National Park Service is dealing with a growing bison herd on the North Rim of Grand Canyon National Park in Arizona, with officials concerned that the large animals could threaten archaeological sites, foul waterways, and damage soils and vegetation.

Stymied in their push for votes on a flurry of amendments proposed to a bipartisan jobless aid bill, Senate Republicans today chose a new strategy: combining their priorities into one wish-list measure that would approve Keystone XL, expand natural gas exports and block U.S. EPA emissions limits -- among other items.

The Senate Environment and Public Works Committee today easily passed legislation aimed at tightening regulations for chemical storage facilities.

ARLINGTON, Va. -- A variety of rules to protect public health by cutting air pollutants such as ozone and particulate matter are steadily grinding through the cogs of the federal government.

Washington, D.C., environmentalists got a sneak peak last night of the documentary series they hope will finally bring the realities of climate change home for average Americans.

The Department of Energy's rush to set energy efficiency standards for President Obama's Climate Action Plan without sufficient input may be doing more harm than good, a consumer electronics trade group is cautioning DOE.

If you've got questions about where the Department of Energy is keeping aliens, Terry Fehner is your go-to guy.

Rebates available for purchases of electric vehicles in California could shrink next year for many cars and disappear for the priciest models under a proposal up for discussion today.

The Interior Department has thousands of injection wells on federal lands that have been banned by U.S. EPA for nearly a decade, threatening the nation's underground supply of drinking water, according to a newly released inspector general report.

Sen. Ron Wyden (D-Ore.) put a greener tint on his package of temporary tax breaks this morning, adding key renewable electricity and efficiency credits to the slate, but he stopped short of considering several tangential proposals, including one to expand the scope of an existing solar energy tax credit and another to encourage natural gas as a transportation fuel.

Pennsylvania's natural gas industry was a relatively small contributor to air pollution in 2012, even though the industry built more compressor stations, a report from state regulators has found.

U.S. EPA hopes to make pesticide labels available via the Internet in an effort to make information easier to understand and update.

A federal facility in St. Louis that received millions in Recovery Act funding for building upgrades has failed to meet its energy-reduction target, a report shows.

Advanced biofuels company LanzaTech NZ Ltd. is moving its global headquarters from New Zealand to the United States.

An estimated 4,200 gallons of crude oil spilled into Kentucky waters before the spill was stopped yesterday, officials say.

Lawmakers in southern Mississippi, after hearing that Energy Secretary Ernest Moniz thought the state might be interested in hosting a nuclear waste storage site, want him to know that isn't the case.

The nation's largest coal ash impoundment will close three years earlier than expected, the Ohio Department of Environmental Protection announced yesterday.

Exxon Mobil Corp. has reached an agreement with New York City's pension funds to disclose more information about the environmental risks of hydraulic fracturing.

The United States imported more crude daily from Canada in 2013 than from its second- and third-ranked oil suppliers combined, the Energy Information Administration (EIA) reported today.

The decadeslong, multicountry legal struggle between Chevron Corp. and a group of Ecuadorean villagers over pollution in the Amazon jungle will see a new round before Canada's highest court.

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