The outcome of the congressional investigation could influence whether lawmakers vote to renew a multibillion-dollar subsidy, which expires at the end of 2021. Following the emergence of evidence that power plants using a chemically treated coal—purportedly designed to reduce smog—generated more smokestack pollution not less, the Government Accountability Office has reportedly launched a congressional probe of the […]
The Alaska Volcano Observatory reports continued seismic activity at the Korovin volcano site on Atka. They say no other significant activity has been reported since sulfur dioxide emissions were detected on Wednesday. The 5,030-foot stratovolcano, with its two summits, is monitored by seismic networks, infrasound sensors and watched via satellite data. The seismic activity […]
A container ship leaves a trail of white clouds in its wake that can linger in the air for hours. This puffy line is not just exhaust from the engine, but a change in the clouds that’s caused by small airborne particles of pollution. New research led by the University of Washington is the […]