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“#Lockdown emissions fall will have ‘no effect’ on climate” Global emissions from the burning of coal, oil and gas are likely to fall up to eight percent in 2020 The unprecedented fall in greenhouse gas emissions from lockdowns during the pandemic will do “nothing” to slow climate change without a lasting switch from fossil fuels,…
“#New Zealand’s Southern Alps glacier melt has doubled” View from December 2018 across Hooker Lake to Aoraki – Mt Cook with Little Ice Age moraines and trimlines encircling the lake. Credit: Jonathan Carrivick, University of Leeds Glaciers in the Southern Alps of New Zealand have lost more ice mass since pre-industrial times than remains today,…
“#Scientists identify missing source of atmospheric carbonyl sulfide” By using sulfur isotope distributions as new constraints on the atmospheric carbonyl sulfide budget, the study revealed that anthropogenic sources are likely to be more important than previously thought. Credit: Mindy Takamiya (mindytakamiya.com/) Researchers at Tokyo Institute of Technology (Tokyo Tech) report that anthropogenic sources of carbonyl…
“#New acid mine drainage treatment turns waste into valuable critical minerals” Acid mine drainage pollution in a stream in Cambria County, Pennsylvania. Credit: Penn State A new way to treat acid mine drainage (AMD) could help transform the environmental pollution problem into an important domestic source of the critical rare earth elements needed to produce…
“#Iceland’s most active volcano is likely headed for another eruption” A photo taken approximately 3 hours after a large explosive eruption commenced at Grímsvötn in May 2011. The plume is approximately 20km high. Credit: Ólafur Sigurjónsson Glacial volcanoes sound like an oxymoron. But Iceland’s Vatnajökull ice cap, Europe’s largest by volume, covers many active volcanoes,…
“#Engineers evaluate snow drought around the world” Wyoming’s Mount Moran emerges from thick clouds shortly after a heavy rainstorm, with the Snake River in the foreground. The peak is part of the Teton Range rising around 6,000 feet (1800m). Snowmelt from this area is a major source of water for the five states through which…
“#Satellite survey shows California’s sinking coastal hotspots” Coastal elevation in California. Coastal zones, which are defined to be those with elevations less than 10 m, are shown in red. Segments of the coast with elevations higher than 10 m are colored by a yellow gradient. Credit: USGS NED. A majority of the world population lives…
“#Canadian ice caps disappear, confirming 2017 scientific prediction” This outline of the St. Patrick Bay ice caps, taken from the 2017 The Cryosphere paper, is based on aerialphotography from August 1959, GPS surveys conducted during August 2001, and for August of 2014 and 2015 from NASA’s Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER). It shows…
“#COVID-19 provides rare opportunities for studying natural and human systems” Illustration of interactions linked to the COVID-19 socioeconomic disruption along two pathways: 1.) energy, emissions, climate and air quality; and 2.) poverty, globalization, food and biodiversity. Credit: Noah Diffenbaugh, et al. / Nature Reviews Earth & Environment Like the legendary falling apple that hit Isaac…
“#New Space satellite pinpoints industrial methane emissions” Captured by GHGSat’s Claire mission on 21 May 2020, this image shows methane emissions from an onshore oil & gas facility in the Caspian Sea Region. GHGSat is a New Space initiative that draws on Copernicus Sentinel-5P data for mapping methane hotspots. Its Claire satellite has now collected…