EPA

Policymakers and business leaders around the world prepare for publication of wide-ranging new emissions standards for US power stations

Reports suggest utilities may face mandated cuts of up to 25 per cent that could require investments in clean energy

Bob Ward warns encouraging emission reductions from the US could be about to grind to a halt - but could California ride to the rescue

Court ruling that promises to tighten air quality rules for around 1,000 power plants is hailed as a "resounding victory for public health"

Study raises fears that US shale gas sites could be responsible for higher levels of methane emissions than previously thought

Supreme Court hears latest in a long line of arguments attempting to neuter the Obama administration's new emissions regulations

Flurry of green policy announcements welcomed by campaigners, but concerns remain recent progress could be undermined by pipeline approval

Who else is making progress on renewable energy? Wal-Mart, Whole Foods, the city of Houston and more

New package of proposals seeks to water down regulations governing coal ash and other forms of harmful waste

Obama's commitment to climate action to push environmental policy to the top of the political agenda