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Soot from research bases and sightseeing cruises is melting millions of tonnes of Antarctic snow every summer
Low-cost air-ventilation systems have been installed in many classrooms across the U.S. to help reduce COVID-19 transmission.
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Air-ventilation upgrades have been badly needed in U.S. classrooms since long before the pandemic. Low-tech filtration systems that cost about the same as a textbook per student can make a big difference.
Soot from aeroplane exhausts can linger in the atmosphere, seeding ice clouds which trap heat.
Replacing wood stoves is essential but won’t solve the indoor air pollution epidemic on its own.
In Paris’s André-Citroën Park, a balloon is used to measure air pollution.
The number of substances emitted into the atmosphere is immense and growing, but some are particularly harmful to health and are subject to increased monitoring.
From 1865 glaciers in the Alps began retreating at unprecedented levels and new research conducted by the University of Michigan…