LEIDEN, NETHERLANDS—At the 2018 Pyeongchang Winter Olympics, the speed skating rink is a familiar orange blur. The Dutch are dominating the long track again, coming off their record-breaking performance at Sochi 2014 where they won 23 out of 36 available medals, including eight out of 12 first place finishes.
This winter, around 17 million tons of rock salt from mines in the U.S. and all over the world will be applied to icy roads across the United States. A growing body of research shows that this salt has become an environmental pollutant, and that we need to start considering alternatives.
Nearly all the ice on Earth is in some state of meltdown. As it spills into the ocean, it raises sea levels. But if you’re curious to know exactly which glaciers are going to drown your corner of the planet, NASA’s got some answers.
The Greenland ice sheet is getting darker, and that’s bad news for the Arctic thermostat, since darker surfaces absorb more heat. Now, a pair of scientists have concluded that in at least one section of Greenland, tiny algae play an outsized role in giving the ice its surprising shade.
When a trillion ton iceberg snapped off the Antarctic Peninsula’s Larsen C ice shelf in July, the entire world spent a few days geeking out over stunning satellite imagery of Earth’s frozen continent. But those who’ve stuck with the Delaware-sized iceberg, now called A68, on its slow journey into the Weddell Sea, know…