Greenwire

Teen activists' plea for Alaska Gov. Bill Walker (I) to regulate greenhouse gases has been denied.

A longtime proposal to build a $1.4 billion telescope atop Hawaii's tallest mountain moved forward yesterday, despite years of opposition from environmentalists and Native Hawaiians.

The Marine Corps yesterday entered into a consent decree with U.S. EPA meant to ensure Camp Pendleton in Southern California follows federal clean water rules.

Two California cities and the Port of San Diego this week filed a notice of intent to sue the federal government over wastewater and raw sewage coming over the border from Tijuana to San Diego County.

U.S. EPA employees were targeted in an elaborate "phishing" scheme by foreign hackers to buy up office supplies with stolen credit cards.

German officials arrested a former high-level Volkswagen AG executive yesterday, a sign the investigation of the diesel emissions scandal is widening.

SpaceX CEO Elon Musk told an Australian audience today he plans to build a rocket that would take people between any two cities in the world in under an hour. Most routes, like London to New York, would take half an hour.

U.S. EPA yesterday confirmed what local activists have feared: Hurricane Harvey floodwaters damaged a rock-covered seal atop one of Texas' most polluted tracts.

The expiration of the federal tax credit for biodiesel may be changing the way U.S. EPA looks at the renewable fuel standard.

Workers from a shuttered Wrigley gum factory in Chicago are among two dozen people suing 15 other companies involved in distributing flavoring chemicals they blame for respiratory problems.

A long-running fight between water managers in Los Angeles and San Diego came to an end this week.

Updates to U.S. EPA's regional haze regulations published early this year now rank among the latest Obama-era rules to face a clouded future.

Nearly 300 species of sea creatures traveled to the United States over the Pacific Ocean on debris from the 2011 Japanese tsunami, according to new research.

Another massive rock broke off from a rock formation at Yosemite National Park yesterday.

Apparently quite a lot can be learned from safely staring at the sun during a solar eclipse.

Democratic Rep. Peter DeFazio rebuked a Republican call to review federal mining bans, including a recent one in his home state of Oregon.

If you're looking to talk to someone in Washington about regulations without getting bored, look no further than Jim Tozzi.

President Trump plans to sign an executive order in the coming days reapproving a now-vacant science council, but critics say the body may exist in name only.