Greenwire

A federal court today shot down states' challenge to a U.S. EPA model to estimate vehicle emissions.

Pioneering bear researcher and advocate Charles "Chuck" Jonkel has died at a Montana nursing home.

Countries that are home to wild tigers have said they will boost efforts to protect tiger habitats that have been in decline due to deforestation and urban development.

This year's approaching hurricane season could be busier than the previous three, researchers at Colorado State University warned in their annual forecast.

The Bureau of Land Management is trying to close 3,450 acres in Utah County, Utah's Lake Mountains to recreational shooting.

California regional governments are suing a Southern California water agency for buying land in Northern California to pave the way for a controversial water project.

Texas Sen. Ted Cruz (R) is seeking to win over rural voters in the upcoming New York primary by assailing the state's ban on hydraulic fracturing.

Nearly half the money raised by super PACs for the upcoming presidential election comes from 50 super-rich individuals and their relatives, campaign finance records show.

The United Mine Workers of America today endorsed two out of three incumbent House Republicans vying to hold on to their posts representing West Virginia.

As the White House wrangles with Senate Republicans to confirm Judge Merrick Garland to the Supreme Court, Democratic presidential candidate Bernie Sanders said he would want to pick his own nominee if elected.

Rhone Resch is leaving his post as president and CEO of the Solar Energy Industries Association after 12 years.

Oregon and Washington state lawmakers this week began the process of fulfilling promises made to Columbia River fishing tribes in the 1930s.

Oklahoma senators are demanding answers from the White House on the federal government's estimate of the social cost of methane (SCM).

Top Democrats on the House Natural Resources Committee yesterday formally requested an oversight hearing on the 40-day occupation of the Malheur National Wildlife Refuge, arguing it is the panel's obligation to "unequivocally condemn" the armed takeover that threatened federal employees.

Republican members of the House Science, Space and Technology Committee have threatened to subpoena Energy Secretary Ernest Moniz for records related to his email practices.

The Obama administration yesterday came out against transferring part of a national wildlife refuge to the U.S. territory of Puerto Rico.

A Florida city's partnership with Uber Technologies Inc. makes it the first municipality in the nation to supplement public transportation with a ride-booking service.

The world's largest organization of earth scientists voted yesterday to continue accepting funding from Exxon Mobil Corp., which is under investigation by state attorneys general for allegedly sowing doubt about climate change.

U.S. EPA today stood by its plan to cut power plant mercury emissions, reaffirming an earlier conclusion that it made the right decision under the Clean Air Act to regulate releases of the toxic metal and other hazardous air pollutants.

In the first major decision to follow new guidance on avoiding development in conservation areas, the Bureau of Land Management has proposed routing the final two stages of the nearly-1,000-mile-long Gateway West Transmission Line Project outside a federal raptor sanctuary. But critics say BLM's proposal sacrifices greater sage grouse habitat and private property -- and ignores the recommendation of the agency's own advisory council. It could delay the line for years or even doom its last segments, they warn.

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