As grasslands diminish on prairies and savannas around the world, an innovative ranching technique that reverses the environmental damage of desertification makes its way to the US.
The latest global warming results confirm those from earlier, independent studies by scientists at NASA and elsewhere that came under fire from skeptics in an episode known as 'climategate.'
A judge rules that the US has met its obligations for protecting polar bears, but ordered a review of a special rule that excludes greenhouse gases from the list of threats to the bears.
Imagining worlds without oil sounds like the easy work of daydreams. But the future is a complicated place, even when we're making it up. Even the most outrageous fantasies – from inter-galactic, cross-species space flights to time travel – must also be plausible. This is something every movie maker knows, or learns the hard way -- from fans. Popular series have always inspired "fan fiction," in which story buffs spin new tales about their favorite characters. Today, there are Internet forums and unofficial web shrines where fans discuss the finer points of sci fi. The worlds fans love may not exist, but they are experts in them anyway. They know what powers a lightsaber, where the USS Enterprise gets its fuel, or how The Matrix “really” works. Even fantasy worlds have rules, and the best fans know them. Do you?
Florida horticulturists worry palm trees throughout the Sunshine State and Southeast could vanish as a new bacterial condition ravages the state’s most iconic scenery.
Daryl Hannah: The star of "Splash" and the "Kill Bill" movies was arrested outside the White House in an oil pipeline protest. Daryl Hannah is a longtime environmentalist who has previously been arrested for green causes.
Labor Day weekend: Damage from hurricane Irene has closed popular recreation areas such as parts of the White Mountains National Forest in New Hampshire.
Virginia quake: Minimal damage and, for many, imperceptible shaking were the sources of many a Facebook and Twitter joke.
A study finds that a fishing ban at a Mexican marine park – with critical help from local residents – has successfully restored the fish population. Whether it's enough to restore the industry is not clear.
The failure of a recent expedition to find any invasive Asian carp near Lake Michigan – though DNA traces say they are there – has shipping interests claiming victory and others calling foul.
Federal officials start the four-day expedition Monday. Its aim is to determine whether the Asian carp has infiltrated water locks that are designed to keep the species out of Lake Michigan.
Automakers must improve their mileage every year, up to a fleet-wide average of 54.5 mpg in 14 years. Green groups praise the new regulations, while opponents call them job-killers.
Worldwide, forests absorb almost 9 billion tons of the greenhouse gas carbon dioxide every year, according to a new study published Thursday in the journal Science.
Electric cars have been getting more attention as power-saving becomes a the new buzzword in Japan.
Many scientists suggest that climate changes could be causing certain kinds of wildfires for which the West's forests are not well adapted. This year could help researchers better understand and fight the trend.
The finding, in a new study by the Scripps Institution of Oceanography, could have implications for the food chain. The region of floating trash in the Pacific Ocean is double the size of Texas.
Giant hogweed - known to cause blisters, blindness, and scars that last for years - is cropping up in New York.
Per-capita water use has declined in 100 communities that depend on the Colorado River, the primary source of freshwater to much of the southwest. But as populations expand, overall water consumption is still climbing.
A 20-year ban on new uranium mining, covering 1 million acres near the Grand Canyon, is the likely outcome of a two-year-plus review process, Interior Secretary Ken Salazar announced Monday.
A $2 billion restoration effort may help rehabilitate Lake Michigan and the other Great Lakes, but environmentalists say it may be too late to reverse four centuries' worth of damage.