The exact cause of more than a dozen strandings of sperm whales in recent days in the North Sea region is eluding scientists.
Oil companies have been the richest companies in the world for more than a century. Can they transition to dominate the next century's fuel source too?
Consumers should expect to see more and more electric vehicles soon. But with falling gas prices and plunging stock prices, who is going to buy them?
Lead mining, smelting and other exposures kill an estimated 143,000 people per year.
Scientists working in Greenland are looking for tiny clues to help fill in the big picture about the fate of the island's giant ice pack. They're using cutting edge technology to track minute changes that could help predict what a warmer future might hold for Greenland and the rest of the world.
About a decade ago, several of Greenland's biggest glaciers suddenly began melting. A decade later, two groups of scientists are trying to unlock the secrets behind a scientific mystery story with potentially big consequences for the future of the island's rapidly-melting ice sheet.
This is prime wildflower blooming season in Israel. But not so long ago, the country's wildflowers were under threat of extinction because people were picking way too many of them. Then, a PSA campaign was launched that got Israelis to stop picking flowers in order to preserve them.
The UN set up a system for people attending last month's landmark climate summit in Paris to offset the carbon footprint of their travel to the meeting.
Scientists say a warm Pacific Ocean could be pushing seabird prey to cooler areas, or killing the fish off. And that's hurting Alaskan birds as well.
VW head Matthias Mueller is expected to propose a fix Wednesday to a fleet of diesel cars that have been cheating emissions tests.