#Water availability has changed, and humans are to blame

“#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…

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#Japanese expedition identifies East Antarctic melting hotspot

“#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…

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#Ozone across northern hemisphere increased over past 20 years

“#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…

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#Earth’s anthropogenic carbon dioxide increase is unprecedented

“#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,…

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#Past rapid warming levels in the Arctic associated with widespread climate changes

“#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…

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