Greenwire

Ship traffic may interfere with the ability of killer whales to communicate and find prey, according to a new study that measured the frequency of noise emitted by ships in the Salish Sea.

California regulators yesterday extended requirements that urban residents curtail their water use by more than 20 percent in response to the ongoing drought.

Kentucky Sen. Rand Paul announced today that he will end his struggling bid for the GOP presidential nomination, following a fifth-place finish in Monday's Iowa caucus.

West Virginia's top attorney is betting that U.S. EPA's Clean Power Plan will eventually die in court.

The top Democrat on the House Natural Resources Committee today called for taking a closer look at the Obama administration's anti-poaching efforts.

The House Natural Resources Committee this morning quickly passed a host of bills to expand national parks, extend a land program and address tribal issues.

Emotions ran high this morning in the House Oversight and Government Reform Committee as lawmakers pitched strong accusations in the direction of state and federal officials for instigating and aggravating the widespread lead contamination in Flint, Mich.'s drinking water supply.

Named acting inspector general for the Department of Energy five months ago, Rickey Hass considers himself a short-term "caretaker" for the organization.

Californians drive almost as many electric vehicles as the rest of the nation combined, but the same regulations that made the Golden State a plug-in hotbed are keeping other states from following suit.

Complications over an amendment to help the community of Flint, Mich., deal with its ongoing drinking water crisis have emerged as serious threats to the Senate's bipartisan energy package, Sen. Debbie Stabenow (D-Mich.) said today.

LaVoy Finicum was "executed in cold blood," and the FBI and Oregon State Police are covering up the truth about his shooting, Finicum's family said in a statement yesterday.

Which industrial sectors stand to benefit the most from large-scale, commercially viable carbon capture and storage technology? During today's OnPoint, Brad Page, CEO of the Global CCS Institute, explains why he believes the United States is the global leader in CCS technology development and talks about pathways to addressing the technology's policy and financing hurdles globally.

Utah's government spent nearly $640,000 on lawyers, polling, a research group and lobbyists to prepare for a potential lawsuit about shifting ownership of federal lands to the state.

New York City Mayor Bill de Blasio (D) will propose boosting the solar capacity of city-owned buildings to more than five times the current levels, his aides said yesterday.

A day after Port of Los Angeles officials revealed that a second shipping company had been allowed to avoid diesel emission reduction requirements, local and federal politicians are calling for action and more oversight.

Alaska Gov. Bill Walker (I) named three new people to the state fish board earlier this week, but it did little to quell a controversy over whether the board represents all the stakeholders of Bristol Bay.

Chlorine bleach plants in the United States pose a risk to major cities and should face new regulatory requirements to reduce the stock of hazardous chemicals they keep on-site, according to a new report from the advocacy group Greenpeace.

A new report from the Department of Energy's inspector general warns one of the agency's biggest contractors is struggling to track and fix problems at the Hanford nuclear waste site in Washington state.