EarthA year on thin ice: Four seasons in a radically changed ArcticThe ice that was once rock-solid is now rotten and see-through in places, weakened by a winter of freak heatwaves. Discover the new normal at the North PoleFeatures
EarthWeather and climate extremes continue to set new records Last year was bad, but 2017 is shaping to follow suit as carbon levels, temperatures and sea levels continue to rise, says the World Meteorological Organisation 51¶¯Âþ