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“#Atmospheric processes likely caused puzzling haze over China during COVID-19 shutdown” Credit: CC0 Public Domain New research indicates that significant enhancement of secondary aerosol formed in the atmosphere via gas-to-particle conversion, together with long-lasting regional transport, may be the cause of severe haze over China despite a dramatic reduction in emissions during the COVID-19 shutdown….
“#Deforestation and land-clearing are taking a toll on Brazil’s corn yield” Corn fields being harvested in central Mato Grosso (in the Cerrado), Brazil. Credit: Stephanie Spera. Brazil is one of the top three producers of both soy and corn globally, and its agricultural sector accounts for one-fifth of the country’s economy. Deforestation and land-clearing practices…
“#Researchers reveal air pollution’s connection to infant mortality” A woman walks through a sandstorm in Chad, home of the Bodélé Depression—the largest source of dust emissions in the world. Credit: George Steinmetz Dust sweeping across the Southeast U.S. in recent days warns of a growing risk to infants and children in many parts of the…
“#Combating climate change: Why investors should keep their shares in fossil fuel companies” Contradictory messaging. Credit: Alex Bee / Shutterstock.com As we begin to engage with the climate emergency and the impact of carbon dioxide emissions, calls have grown to stop investing in companies engaged in fossil fuel production—a practice known as divestment. The University of…
“#GPS isn’t just for road trips anymore” Cover crop tillage prior to a field-level experiment run with and without tractor guidance systems at the Dale Bumpers Small Farms Research Center, USDA-ARS Booneville, AR. Credit: Larry Huddleston When it comes to nifty farm gadgets and technology, there are many neat tools. Tractor guidance is definitely one…
“#5 ways the extreme Arctic heat wave follows a disturbing pattern” This Arctic heat wave has been unusually long-lived. The darkest reds on this map of the Arctic are areas that were more than 14 degrees Fahrenheit warmer in the spring of 2020 compared to the recent 15-year average. Credit: Joshua Stevens/NASA Earth Observatory The…
“#Gold mining restricts Amazon rainforest recovery” Initial forest loss at a gold mining site at Mahdia, Guyana 2016. Credit: Michelle Kalamandeen 2016 Gold mining significantly limits the regrowth of Amazon forests, greatly reducing their ability to accumulate carbon, according to a new study. The researchers warn that the impacts of mining on tropical forests are…
“#Russian mining giant admits waste ‘violations’ at Arctic plant” Employees of Russia’s state-owned oil pipeline monopoly Transneft take part in the clean-up operation after the massive fuel spill in the Ambarnaya River last month A Russian mining giant behind an enormous Arctic fuel spill last month said Sunday it had suspended workers at a metals…
“#Agricultural fires in central Africa light up in Suomi NPP satellite image” Fires have spread across the majority of the landscape in Angola and the Democratic Republic of the Congo in this NOAA/NASA Suomi NPP satellite image using the VIIRS (Visible Infrared Imaging Radiometer Suite) instrument from June 25, 2020. Credit: NASA image courtesy Worldview…
“#Suomi NPP satellite analyzes Saharan dust aerosol blanket” This June 24, 2020 image is from the Suomi NPP OMPS aerosol index. The dust plume moved over the Yucatan Peninsula and up through the Gulf of Mexico. The largest and thickest part of the plume is visible over the eastern and central Atlantic. Credit: NASA/NOAA, Colin…