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“#Evergreen needles act as air quality monitors” Peter Lippert (left) and Grant Rea-Downing examine artificial pine branches being tested as passive air quality monitors. Photo from Sept. 2019. Credit: Paul Gabrielsen/University of Utah Every tree, even an evergreen, can be an air quality monitor. That’s the conclusion of researchers at the University of Utah who…
“#Choosing the right cover crop to protect the soil” Aerial drone image showing two months of cover crop growth in Monmouth, Illinois in November, 2016. Credit: Dennis Bowman Farmers around the world are keen to protect their most important asset: their soil. The soil supports and enriches their crops. But the relatively thin layer of…
“#A NASA-NOAA nighttime view finds a slightly better organized tropical storm Karina” NASA-NOAA’s Suomi NPP satellite passed over the Eastern Pacific Ocean on Sept. 15 at 6:50 a.m. EDT (3:50 a.m. PDT/1050 UTC) and captured an early morning image of Tropical Storm Karina. Credit: NASA Worldview, Earth Observing System Data and Information System (EOSDIS) NASA-NOAA’s…
“#Water vapor imagery reveals hurricane Paulette’s strongest side, dry air” On Sept. 15 at 3:25 a.m. EDT (0725 UTC), the MODIS instrument aboard NASA’s Aqua satellite gathered water vapor information about Hurricane Paulette. Highest concentrations of water vapor (dark brown) and coldest cloud top temperatures were around the center and northeast of the center. Credit…
“#Facebook says it’s cracking down on climate change misinformation. Scientists say it’s not doing enough.” Credit: CC0 Public Domain Facebook says it’s moving aggressively to counter climate-change misinformation with a Climate Science Information Center launching Tuesday that will connect users with science-based facts. “Climate change is real. The science is unambiguous and the need to…
“#Satellite images display changes in the condition of European forests” Dead spruces in the Bavarian Forest. Credit: Cornelius Senf/TUM Rupert Seidl (Professor of Ecosystem Dynamics and Forest Management in Mountain Landscapes at TUM) and his colleague Cornelius Senf (lead author of the study) for the first time produced a high-resolution map of all openings in…
“#NASA Aqua satellite casts three eyes on sally and finds heavy rain potential” On Sept. 15 at 3:25 a.m. EDT (0725 UTC), the MODIS instrument that flies aboard NASA’s Aqua satellite revealed the most powerful thunderstorms (yellow) were around Hurricane Sally’s center and in the northeastern quadrant. There, cloud top temperatures were as cold as…
“#NASA satellite imagery shows Teddy consolidating” On Sept. 15, 2020 at 12:15 a.m. EDT (0415 UTC), the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA’s Aqua satellite gathered temperature information about Teddy’s cloud tops. Some cloud top temperatures were as cold as or colder than minus 70 degrees (red) Fahrenheit (minus 56.6 Celsius) and…
“#Hurricane Sally threatens deadly flooding in southern US” Hurricane Sally, seen off the Gulf of Mexico on September 14, 2020, at 1510 GMT Hurricane Sally churned Tuesday towards the US Gulf Coast, threatening deadly flash flooding in Alabama and Mississippi, even as it weakened to a Category 1 storm. The National Hurricane Center said the…
“#World missing all targets to save nature, UN warns” Human activity has already severely degrated three quarters of land on Earth Countries are set to miss all of the targets they set themselves a decade ago to preserve nature and save Earth’s vital biodiversity, the United Nations said Tuesday. Humanity’s impact on the natural world…