Solar eclipses are a natural form of dimming Earth. But it lasts only a few minutes, whereas the idea of an artificial dimming would be a rather long-term affair. (Photo: Michael Wenger) In some parts of the world, the sun has been blazing down from the sky for months...
The 20-nation Ambition on Melting Ice group is meeting in Bonn as countries gather to assess the Paris climate-agreement pledges (Photo: UNFCC) Growing evidence from Antarctica suggests that even if countries hit the lower target for temperature increases set by the...
Emil Frammé Hansen (left) and Nicklas Flenø Mikaelsen. Photo: Cykeldrengene Nicklas and Emil, the two Danish “Cykeldrengene” (bike boys), can draw on an impressive wealth of experience in their mid-20s. Next week, on April 26, 2023, they are set to embark...
A Landsat-8 image of Thwaites Glacier. It is one of the largest contributors to global sea level rise. Photo: NASA/USGS Marks in the seafloor dating from the last ice age show that ice sheets can retreat up to 600 meters per day during a warming climate, according to...
The north of Greenland has long been considered somewhat more resistant to global warming than the rest of the island, in part because of the remaining multi-year ice cover in the region. But in recent years, the ice here has also been breaking up with increasing...