The Trump administration will revisit an Obama-era target of 54.5 miles per gallon for US vehicles. It could be a test case of how the private sector responds when federal clean-economy rules retreat.
British ship Noble Caledonia has become the latest of several cruise lines to face criticism after an environmental mishap.
Electric utilities are seeking a new power mix, as shifts in precipitation diminish the role that dams have long played for western states.
'But you can't use this as an excuse' to write off the bigger trend in warming, says one of the study's co-authors.
In this edition: A water-management idea that could help farms, cities, and ecosystems; potatoes on Mars; clean energy momentum, despite Trump.
Scott Pruitt stands poised to reverse a decade of EPA climate change policy, but doesn't have the power to withdraw the United States from the Paris Agreement.
President Trump is expected to issue an executive order to dismantle an Obama administration Clean Power Plan. But experts say that alone won't dictate what states and businesses do.
Desperate for a more stable energy supply, the state seems willing to give Elon Musk’s technology a try. He’ll have 100 days to deliver.
Two fault lines previously thought to be separate systems are actually connected, say scientists. Together, they could bring intense shaking to some of Southern California's most populous areas.
Beaked whales are one of the most mysterious and rarely seen creatures on Earth. A newly released video contains the first images ever captured of a True's beaked whale calf.
Water markets are in many ways in their infancy. But the idea is a big one, potentially helping water flow to where it's most useful, and maintaining both farms and ecosystems.
In what is thought to be the first time in Europe that a rhinoceros in captivity has been poached, poachers broke into a zoo in Thoiry, France, shot and killed a 4-year-old male rhino, and sawed off its horn.
A second avalanche struck the French town of Tignes, at the same resort struck by an avalanche last month.
Chinese Premier Li Keqiang pledged Sunday that China would 'work faster' to address pollution caused by burning coal.
Veterinarians in Thailand operated Monday on a female green sea turtle to remove nearly 1,000 coins from the endangered animal. She had fed for many years on the coins tossed by tourists into her pool in the eastern town of Sri Racha.
The wild population of Komodo dragons, while far smaller than it once was, appears to have stabilized – a stark contrast to the plight of many other large animals.
In this edition: Behind looming budget cuts at the EPA, a changed GOP; China positioning itself as a global leader on climate action; How climate affects the weather.