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Ecology
Our planet and its future.
EcologyWhy does red “Blood Falls” flow from Antarctic ice?
Iron-rich brine and microbes beneath Taylor Glacier explain the colour; no blood is involved.
EcologyFaster glaciers drive decades of polar ice loss
A half-century satellite record shows that Greenland and Antarctica lost about 11.3 trillion tonnes of ice. Faster glacier flow carried most of it into the sea.
EcologyWhy has the Arctic melt season stopped growing as quickly?
Satellites show a pause in one trend since about 2010, but Arctic sea ice remains far more vulnerable than it was decades ago.
EcologyFLEX and Sentinel-3C launched to observe Earth
Two European satellites will track plant health, oceans, ice and the atmosphere.
EcologyHow do we know the climate is changing?
Temperature is one clue among many: researchers compare measurements of air, oceans and ice.