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“#Alaska is getting wetter. That’s bad news for permafrost and the climate” Postdoctoral fellow Catherine Dielemen associated with Merritt Turetsky’s research group uses a frost probe to determine the location of surface permafrost beneath the ground surface in interior Alaska. Credit: Merritt Turetsky Alaska is getting wetter. A new study spells out what that means…
“#NASA Water vapor data reveals Tropical Storm Gonzalo’s soaking capability” On July 24 at 1:35 a.m. EDT (0535 UTC), NASA’s Aqua satellite passed over Tropical Storm Gonzalo in the central Atlantic Ocean. Aqua found highest concentrations of water vapor (brown) and coldest cloud top temperatures were around the center. Credit: NASA/NRL When NASA’s Aqua satellite…
“#Heat waves, wildfire & permafrost thaw: The North’s climate change trifecta” A wildfire burns outside Fairbanks, Alaska, after a lightning strike. Credit: Catherine Dieleman, Author provided The Arctic Circle became unbelievably hot on June 20. In the Russian community of Verkhoyansk, temperatures topped 38C, marking what may be the highest air temperature ever recorded within…
“#Understanding why trees are dying may be key to locking up carbon” Rising tree mortality could be affecting existing and new forests’ ability to store carbon. Credit: Daniele Castagneri Rising tree deaths may be reducing the ability of many forests worldwide to lock up carbon by pulling in greenhouse gases from the air. To properly…
“#Global report into plastic threats to the ocean” Professor Richard Thompson OBE. Credit: University of Plymouth A world-renowned expert in plastic pollution from the University of Plymouth has contributed to a major new report showing that without immediate and sustained action, the annual flow of plastic into the ocean could nearly triple by 2040. However,…
“#Annual country index with new food dependency data reflects vulnerability to climate change” Notre Dame’s Global Adaptation Initiative (ND-GAIN) Country Index. Credit: University of Notre Dame The annual update to the University of Notre Dame’s Global Adaptation Initiative (ND-GAIN) Country Index shows sources for some vulnerability indicators have changed, including food dependency and urban concentration….
“#Siberian heatwave: Wildfires rage in Arctic, sea ice melts” This image taken from video provided by Russian Emergency Ministry, shows a Russian Emergency Ministry multipurpose amphibious aircraft releasing water to extinguish the fire in the Trans-Baikal National Park in Buryatia, southern Siberia, Russia, Thursday, July 9, 2020. About 910 hectares of forest were alight over…
“#Historic carbon dioxide decline could hold clues for future climate” Credit: Pixabay A new study led by researchers at The Australian National University (ANU) provides a clearer snapshot of conditions during the last ice age—when global ice sheets were at their peak—and could even lead to better models for future climate projections. The study demonstrates…
“#Five questions about Ethiopia’s controversial Nile dam” The Grand Ethiopian Renaissance Dam is the biggest hydro-electric project in Africa Ethiopia said this week it had hit its first-year target for filling the Grand Ethiopian Renaissance Dam, a concrete colossus 145 metres (475 feet) high that has fuelled tensions with downstream nations for nearly a decade….
“#Fires triple in Brazil’s Pantanal wetlands in 2020” Brazil’s national space agency, INPE, identified 3,506 fires from January 1, 2020 to July 22, 2020 in the Pantanal, a 192 percent increase from 2019 and the most for the period since records began in 1998 The number of forest fires in the Pantanal, the world’s largest…