Greenwire

Ozone pollution levels fell when drivers in São Paulo, Brazil, switched from ethanol to gasoline, according to a study released this week that researchers say is the first to link consumer fuel purchases and air quality.

U.S. EPA scored a major victory this week when the Supreme Court upheld its program for harmful coal plant emissions that cross state lines, but the agency still faces important policy questions -- as well as litigation -- as it moves to implement the regime.

How will possible voter action on fracking in Colorado shape the national conversation on natural gas development? During today's OnPoint, Tim Wigley, president of the Western Energy Alliance, discusses Colorado's Senate race and local efforts to limit or ban fracking in the state. Wigley also discusses his organization's new polling on fracking and regulation.

School authorities in Des Moines, Iowa, want to build a multiuse stadium on the site of an old auto parts manufacturing plant that decades ago leaked industrial chemicals into the water supply.

A steel plant in Michigan has received help from a state agency in its quest to avoid air pollution guidelines, emails show.

A seaside city in California wants to restart a decades-old desalination plant in an effort to boost its water supply.

New Jersey officials have distributed less than 25 percent of the $1.8 billion in Superstorm Sandy relief aid the federal government pledged more than a year ago to residents trying to rebuild, a new state report says.

New research by scientists at Harvard University and Brown University suggests that bisphenol A, or BPA, and some phthalates may play a role in causing greater weight gain over time.

Rep. Bill Flores (R-Texas), who represents West, Texas, is pushing for a "more comprehensive investigation" of health effects associated with the fertilizer plant explosion there last year.

California lawmakers are rushing to the defense of a hot sauce factory that's threatened to leave the state over air pollution regulations.

Haze that fouled Alaska's skies Saturday was caused by airborne pollution from China, according to the National Weather Service.

The Partnership for Public Service yesterday announced the finalists for its public service awards, including several U.S. EPA and Department of Energy officials.

The National Oceanic and Atmospheric Administration needs to develop better controls over several catch share programs, according to a new inspector general report that found shortcomings in several fisheries.

Two startup companies have products nearing the marketplace that could provide new light bulb options for consumers.

Investigators have stopped certain shipments of radioactive waste from the Los Alamos National Laboratory to a temporary storage area in West Texas while they search for the cause of nuclear contamination at the U.S. government's underground waste facility in southeastern New Mexico.

Researchers are developing farm animals that can withstand the impacts of climate change.

As the climate continues to warm and temperatures rise, concentrations of lung-irritating ground-level ozone could significantly increase over the next four decades, according to a new federal study.

The former head buyer for one of the largest providers of Scottish smoked salmon says in a federal lawsuit that her former employer pressured her to falsely label fish sold to major U.S. grocery chains.

A federal judge has declined to interfere in the Fish and Wildlife Service's management of whitebark pine, a key food source for endangered bears.

The National Mining Association is asking the courts to review the Mine Safety and Health Administration's new rule to protect miners from black lung disease, the group said today.

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