Of the six sloth species, the pygmy sloth is the only one listed as critically endangered. The pygmy sloth lives off the coast of Panama and is threatened by climate change and habitat loss.

The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...

Different sloth groups can be easily identified by the number of long, curved claws on their forelimbs. The two-toed sloths, as the name suggests, have two claws on their front limbs, while the ...

The lethargic two-foot-long tree-hugging sloths of the South and Central American tropics are small fry compared with one of their extinct relatives. Megatherium americanum, a ground sloth, stood 12 ...

Now two alarming new studies have been released that predict that the long-term security of our food crops be further compromised by climate change and other environmental factors. Now two ...

An Energy Department program designed to create jobs and manufacturing in communities reliant on fossil fuels is backing projects in West Virginia, Colorado and elsewhere. By Hiroko Tabuchi He ...

MPR News meteorologist Sven Sundgaard had his first full day on the tundra Tuesday, observing over a dozen polar bears. Here’s his update. Climate change costs tens of billions of dollars each ...

The Alps are threatened by mass tourism and climate change. Will tourism as we know it still be possible in the region?Wonderful views, long mountain slopes, solitary peaks and snow-covered ...

Research shows that bullet trains are a reliable, resilient alternative to flight disruptions caused by high winds and storms due to planetary warming. Air travel generates a lot of carbon ...

As the U.S. continues to face an increased flow of migrant arrivals, extreme weather events exacerbated by climate change could be fueling the crisis.

The National Climate Assessment shows America is warming faster than the global average with climate change impacting nearly every facet of life. It found extreme weather events now cost the U.S ...

From a paint that cools buildings to a new carbon capture process used by (among others) the rock band Coldplay, here's the latest in climate innovation. The head of the International Union for ...