Greenwire

The National Park Service has a little-known role in “soft diplomacy,” offering help from park rangers and employees to foreign countries who want guidance on their parks. Orchestrating it all is the Office of International Affairs, which has seen its budget and staff dwindle over the past two decades.

Engineers are working to restore waste left behind by silver, lead and zinc mining operations in an Idaho canyon into an artificial ridge that will be favored by elk.

Apple Inc. will stop using two hazardous chemicals in the production of its iPhones and iPads, the company said today.

Exposure to two common active ingredients used in disinfectant chemicals causes reproductive problems in mice, according to new research.

U.S. EPA is giving stakeholders more time to comment on its proposed standards for reducing refineries' toxic air emissions.

U.S. EPA is planning to update a rule that allows states to receive exemptions from air regulations during extreme events that are out of their control, such as droughts and windstorms.

Experts say no deaths have been linked to public bike-share programs in the United States since the first one launched in 2007, even though a large majority of riders don't wear helmets.

The California rail agency still lacks most of the Central Valley land it needs to build an initial 29-mile segment of the high-speed railway that will link major cities in the state.

Former Transportation Secretary James Burnley IV has joined the board of the Eno Center for Transportation, the nonpartisan think tank announced this morning.

The Commerce Department's inspector general will assess the "extent of potential data gaps" from aging polar satellites as part of an audit on the National Oceanic and Atmospheric Administration's weather satellite program.

Betting on growing demand for off-the-grid power, the nation's largest independent power producer bought a solar-powered battery charger company.

A federal judge has ordered a salt mining company to pay out $48.1 million in a class-action settlement after a sinkhole opened up two years ago and swallowed 37 acres of residential land in Louisiana.

A federal judge is backing the Bureau of Land Management's decision in 2012 to approve a large molybdenum open pit mine in central Nevada.

Australia's environmental minister has admitted the Great Barrier Reef is in trouble, reversing a previous public position that gave the extensive coral structure a rosier outlook.

A notice of 48 horse roundups this year posted in a New Mexico post office has the Bureau of Land Management and advocates for wild horses worried about the potential for another standoff like the one between federal officials and Cliven Bundy in southeastern Nevada earlier this year.

A tiny endangered fish is making a comeback as populations of the Moapa dace are increasing in thermal Nevada waterways 60 miles north of Las Vegas.

Federal officials yesterday said Lake Mead will get extra water this year from upriver storage as the reservoir behind Hoover Dam already sits at its lowest level since being filled in the 1930s.

Human development is hindering the genetic diversity of mountain lions.

After the United States put one of its largest shareholders on the international sanctions list, Russia's largest privately held gas producer is employing a Washington, D.C., public relations firm to lobby the Obama administration and Congress.

North Carolina Gov. Pat McCrory (R) did not disclose this year that he owned Duke Energy Corp. stock, which he sold after the company received negative publicity after spilling coal ash into the Dan River, his office said yesterday.

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