Arctic route may remain treacherous for decades
Peter Marra, director of the Smithsonian Migratory Bird Center, talks with journalist Rene Ebersole about the threat of outdoor cats to wild animals and to human health. Marra is the co-author, with writer Chris Santella, of the book Cat Wars: The Devastating Consequences of a Cuddly Killer.
It could pose a risk coastal communities already vulnerable to sea level rise
Starting in the next century, atmospheric carbon levels could begin to approach those of hundreds of millions of years ago, and have their warming effect augmented by a brighter sun.
The most dramatic shift is the rerouting of a major meltwater river in Canada
About 11 percent of nonrenewable groundwater is used to irrigate internationally-traded crops
Group will decide whether to push for U.S. pullout from emission-cutting global pact
Up to two thirds of SoCal’s sandy shores may erode by 2100 without extra human help
Wind’s competitiveness in the Lone Star State has been helped by the expansion of transmission capacity and market reforms
The agency’s Geostationary Carbon Observatory will study the planet’s carbon cycle
Plant species in China's Hengduan Mountains exploded in diversity eight million years ago—right when the mountains were built. Christopher Intagliata reports.
The wavelike patterns are caused by the Earth's rotation, and can have strong effects on local weather
The massive East Antarctic Ice Sheet looks stable from above—but it’s a dangerously different story below
Specially treated screens can keep out 90 percent of particles harmful to our health
The combination of a wet year followed by a dry one creates the perfect conditions for nitrate to leach into groundwater
Entire communities of lichens in coastal North Carolina might be tweezed from their current habitat and transplanted to higher ground
James Hansen, the “father of climate change awareness,” wants the same carbon fee–and-dividend strategy proposed by Republicans
The changes are already visible in the region, which has had largely ice-free summers since 2011
Fifty-nine percent of voters want the U.S. to do more to address global warming
The storm that swept across the Rockies in September 2013 unleashed huge amounts of sediment downstream, doing the work of a century of erosion. Julia Rosen reports.