From tracking chimpanzees in Uganda to a 100 percent carbon-offset vacation in Greenland, there's an eco-friendly vacation option for every kind of traveler.

Evidence of algae growth and climate simulations reveal the Arctic had seasonal ice, not a permanent ice shelf, for much of the past 750,000 years. These insights challenge long-standing theories. For ...

Melting glaciers in Greenland are unleashing hidden methane and shifting soils from carbon sinks to warming sources.

"Going to be really impacted." Scientists issue warning after discovering worrying phenomenon on iconic US mountaintop: 'The trends were clear' first appeared on The Cool Down.