Greenwire

Alaska Sen. Lisa Murkowski's campaign is touting a new internal poll that shows the Republican with a near majority against three challengers as she seeks a third full term in office in November.

Democratic presidential nominee Hillary Clinton hit a sour note with some environmentalists last night when she referred to natural gas as a "bridge to more renewable fuels" while laying out her energy policy.

Former U.S. EPA Administrator Christine Todd Whitman (R) said that if Republican presidential nominee Donald Trump doesn't step aside, she will vote for his Democratic opponent, Hillary Clinton.

Democrats swept recent presidential cycles in Colorado after President Obama accepted his party's nomination there in 2008, upending Republican dominance in all but three presidential races since the end of World War II.

Oil and gas giant Chevron Corp. has brought on a prominent lobbying firm.

U.S. EPA Administrator Gina McCarthy has filled a vacancy on the Clean Air Scientific Advisory Committee with a past member from Illinois, rebuffing objections to the appointment from Sen. Jim Inhofe (R-Okla.) and calls for broader geographic representation on the influential panel.

A trove of leaked emails from Democratic presidential nominee Hillary Clinton's inner circle reveal a tricky balancing act the former secretary of State faced trying to appease both unions and environmental groups before announcing her opposition to the Keystone XL pipeline last year.

House Speaker Paul Ryan told fellow Republicans today that he will not campaign on behalf of GOP presidential nominee Donald Trump in the final weeks of the election, focusing instead on retaining a congressional majority in the wake of last week's revelation that Trump had bragged about groping women.

When the Obama transition team was drafting its short lists for top agency jobs back in 2008, then-New York Mayor Michael Bloomberg was floated as a contender for U.S. EPA administrator, according to hacked emails allegedly from John Podesta's private account.

American Indian tribes are urging Dakota Access pipeline backers to hold off on construction plans, despite a federal court order yesterday lifting a work freeze on part of the embattled oil project.

Top wildlife enforcement officials from sub-Saharan Africa visited the United States last month for the first U.S. academy on fighting wildlife trafficking. That training plus a new attaché program stationing Fish and Wildlife Service agents in the embassies of key nations aim to boost the United States' battle against the global scourge.

China continues to lay claim to the South China Sea by building airstrips, ports and other facilities on disputed territory.

Excessive levels of the pollutant nitrogen dioxide (NO2) disproportionately affect black communities in London, according to a new study.

Chinese conservationists think they may have spotted a freshwater dolphin that was declared extinct after swimming in the Yangtze river for 20 million years.

A waste-to-energy company has failed to pay any rent to the city of Sandy, Utah, after agreeing to build a trash incinerator on city property in 2013.

Survivors and family members of those killed in a 2014 mudslide in Washington state have reached a settlement with the owner of the hillside that collapsed in a rural area north of Seattle.

Budget cuts and uneven enforcement across many states is hampering the enforcement of the landmark 1970 Clean Air Act, according to an investigation by the Center for Public Integrity.