Greenwire

A state judge ruled today that Louisiana Sen. Mary Landrieu (D) will remain on the November ballot, dismissing a Republican lawsuit that had challenged her residency status.

Massachusetts voters Tuesday will decide whether to end Rep. John Tierney's (D) re-election bid, as four states hold the final primary battles of the 2014 election cycle.

Former Treasury Secretary Henry Paulson's think tank is launching an initiative aimed at exploring how China can reduce its emissions of greenhouse gases and other pollutants while still growing its economy.

The California blue whale population has made a splashing recovery and reached near historical numbers, according to new research.

The Obama administration announced today that it will vastly expand the nation's only freshwater marine sanctuary, in an effort to protect as many as 200 historic shipwrecks in Lake Huron's Thunder Bay.

Seed and crop management company Syngenta Crop Protection LLC has petitioned U.S. EPA to increase the legal tolerance for a neonicotinoid pesticide residue in several crops -- in one case increasing the acceptable level by 400 times, according to a notice in today's Federal Register.

The continentwide field of battle over the Keystone XL pipeline this morning narrowed to a small courtroom in the Nebraska capital, where lawyers for the state's attorney general and three landowners tangled over the constitutionality of a 2012 law that moved authority to approve a route for the controversial pipeline from an independent commission to the Republican governor.

Leaders of Sweden's eight major political parties all said they would ban the expansion of state energy company Vattenfall's coal mining operations in Germany during a recent election debate in the Nordic country last week.

Queensland, Australia, Premier Campbell Newman today said dredged sand once slated to be dumped in the Great Barrier Reef Marine Park would be disposed of on land.

A New Mexico nuclear waste storage site could be years away from resuming normal operations, a Department of Energy official said last week.

A Pennsylvania defense contractor has been fined $1.2 million but will not face debarment from future government business after pleading guilty to illegal storage of explosive hazardous waste.

The earthquake that rocked California's Napa Valley last month has caused an unexpected benefit by pushing groundwater to the surface, creating springs in a canyon afflicted by drought.

Ohio's Environmental Protection Agency is mulling the streamlining of permits for pipelines, roads and coal mines that affect waterways or wetlands, according to an agency spokeswoman.

Adding more ethanol to gasoline reduces the risk of cancer and the likelihood that ground-level ozone will form, according to a study by an environmental research company.

The Bureau of Land Management has named Timothy Murphy to lead its Idaho state office, which manages 12 million acres of public lands covering nearly one-fourth of the Gem State.

The Department of Energy today doled out $8 billion for the construction of new microgrid projects across the United States, part of the government's Climate Action Plan and push to harden the grid against increasingly violent storms.

Australian company Ambre Energy Ltd. will "very likely" appeal Oregon's denial of a key permit for a coal export project along the Columbia River, a spokeswoman said Friday.

The world didn't do enough last year to stave off catastrophic global warming, according to a new analysis by PricewaterhouseCoopers.

The energy industry and investors continue to closely watch as Continental Resources Inc. CEO and Chairman Harold Hamm's divorce proceedings enter their sixth week.

The British government has become involved in BP PLC's court cases over payouts related to the 2010 Deepwater Horizon oil spill in the Gulf of Mexico, saying legal outcomes against the oil giant raise "grave international comity concerns."

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