Half the coral has disappeared from Australia’s Great Barrier Reef over the past 27 years, much of it due to factors influenced by human activity, according to scientists at the Au...

Climate change is altering the very fabric of indigenous people—especially that of coastal communities...

Sea ice’s reckoning has come: As predicted a couple of weeks ago , the level of ice in the Arctic Ocean has dropped to its lowest level...

For some time, a welter of scientific data has indicated that climate changes would be dramatic and include extreme weather events...

The covering of ice over the Arctic has dropped to lows not seen since a record-breaking 2007, the National Snow & Ice Data Center (NSIDC) reported on August 27...

Two recently published studies delve into what caused the collapse of the Mayan empire, a question many archaeologists have tried answering...

As the boat carried our group from a coastal airstrip in eastern Panama to the Yandup Island Lodge, in the autonomous territory of the Guna Indians, I admired the timeless beauty o...

For centuries, the Guna (a.k.a. Kuna) Indians have successfully defended their territory on Panama’s Caribbean coast...

As a top U.S...

Dams have long been seen as a source of green energy. But the cost of providing that energy has not been studied, until now...