Greenwire

A federal appeals court today sided with a small Wyoming refinery seeking to overturn U.S. EPA's denial of an exemption from complying with the agency's renewable fuel standard.

Federal judges today rejected a challenge from energy companies to U.S. EPA's finding that carbon captured from power plant emissions and injected underground qualifies as a "solid waste" and may be subject to regulation.

Washington state and Oregon are facing a black gold rush.

The tallest tree in Muir Woods National Monument might be 777 years old, but that is only half as old as previously thought, according to the first-ever study dating the towering California redwood grove.

An American woman was killed by a lion yesterday in a popular South African wildlife park that continues "operating as usual," according to officials.

Several members of an endangered fish species in Florida were found to have been born through parthenogenesis, or reproduction without sex, according to a study published yesterday.

The Miami Seaquarium yesterday said trainers will no longer join an orca named Lolita in the water during performances.

The Fish and Wildlife Service wants to split the recovery plan for the bull trout into six parts, tailoring conservation measures to specific populations.

A dozen environmental and Alaska Native groups yesterday announced plans to challenge the Obama administration's decision in March to reaffirm a George W. Bush administration lease sale, a lawsuit that seeks to derail Royal Dutch Shell PLC's long-term drilling plans in Alaska's Chukchi Sea.

Public health group American Lung Association today launched a campaign to call for a tighter national ozone standard.

The American Energy Alliance today launched a campaign aimed at repealing the federal renewable fuel standard, just days after U.S. EPA rolled out a proposal to set biofuel blending targets through the program.

A veterans group yesterday sent an open letter criticizing senators who voted in March for a nonbinding amendment that would facilitate the sale or transfer of federal lands.

House Energy and Commerce Chairman Fred Upton (R-Mich.) today joined the growing chorus of voices that wants to ease long-standing restrictions on the export of U.S.-produced crude oil.

A coalition of environmental groups is poised to join the Obama administration in defending the Interior Department's new regulations for hydraulic fracturing on public and American Indian lands.

U.S. EPA's rulemaking to define the reach of the Clean Water Act was never meant to have a significant effect on the country's mining industry. That's what the agency told companies.

ANN ARBOR, Mich. -- U.S. EPA's National Fuel and Vehicle Emissions Laboratory -- a big player in early Clean Air Act crackdowns on tailpipe pollution -- is getting a makeover for the battle against global warming.

A federal appeals court today rejected a series of challenges from states, environmental groups and energy companies to U.S. EPA's determinations of which parts of the country meet its standard for ozone, a main component of smog.

After rebuilding and rebranding itself in 2013, how is Conergy, a global downstream solar company, planning to expand its reach in the United States? During today's OnPoint, Yann Brandt, vice president of U.S. sales and global head of marketing for Conergy, discusses the impact of state net-metering policies on business decisions and talks about the challenges of remaining viable in an increasingly competitive industry.

Laws to protect the forests of the Democratic Republic of Congo are being systematically violated, according to a report released today.

Tanzania has lost 60 percent of its elephants in the past five years, a massive blow to a country where tourism is the biggest source of foreign dollars.

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