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“#Team warns negative emissions technologies may not solve climate crisis” Credit: CC0 Public Domain A team led by researchers at the University of Virginia cautions that when it comes to climate change, the world is making a bet it might not be able to cover. The team’s new paper in Nature Climate Change explores how…
“#Water availability has changed, and humans are to blame” Credit: CC0 Public Domain Changes in the water cycle have important impacts on ecosystems and human activities. In the context of the current and expected temperature rise due to global warming, it is extremely important to understand the origin and extent of these changes. A recent…
“#20th century dam building found to have offset sea level rise” Credit: CC0 Public Domain An international team of researchers has found that dam building in the 20th century offset some of the factors that would have led to a higher rise in sea levels. In their paper published in the journal Nature, the group…
“#Japanese expedition identifies East Antarctic melting hotspot” The Japanese icebreaker ship Shirase near the tip of the Shirase Glacier during the 58th Japanese Antarctic Research Expedition. (Photo by Kazuya Ono). Credit: Kazuya Ono Ice is melting at a surprisingly fast rate underneath Shirase Glacier Tongue in East Antarctica due to the continuing influx of warm…
“#Arctic ocean moorings shed light on winter sea ice loss” Scientists prepare to deploy ocean moorings used to understand sea ice loss in the eastern Arctic Ocean. Credit: Nansen and Amundsen Basins Observational System. The eastern Arctic Ocean’s winter ice grew less than half as much as normal during the past decade, due to the…
“#Ozone across northern hemisphere increased over past 20 years” Credit: CC0 Public Domain In a first-ever study using ozone data collected by commercial aircraft, researchers from the Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder found that levels of the pollutant in the lowest part of Earth’s atmosphere have…
“#Sea-level rise linked to higher water tables along California coast” Credit: University of Arkansas In the first comprehensive study of the link between rising sea levels and inland water tables along the California coast, researchers found an increased threat to populated areas already at risk from rising water tables, and the possibility of flooding in…
“#Research links Southeast Asia megadrought to drying in Africa” Credit: CC0 Public Domain Physical evidence found in caves in Laos helps tell a story about a connection between the end of the Green Sahara, when once heavily vegetated Northern Africa became a hyper-arid landscape, and a previously unknown megadrought that crippled Southeast Asia 4,000 to…
“#Earth’s anthropogenic carbon dioxide increase is unprecedented” Concordia research station in Antarctica at 3233 m asl. Credit: Thibaut Vergoz, Institut polaire français. A new measurement technology developed at the University of Bern provides unique insights into the climate of the past. Previous CO2 concentrations in the atmosphere could be reconstructed more accurately than ever before,…
“#Past rapid warming levels in the Arctic associated with widespread climate changes” Researchers collated 63 individual climate records derived from stalagmites collected from caves across Europe, Asia and South America. Credit: Ellen Corrick Abrupt climate changes during the Last Glacial Period, some 115,000 to 11,700 years ago, happened at the same time across a region…