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Satellite data shows air pollution drop in Europe amid COVID-19 lockdowns

Technology & Science Air pollution from nitrogen dioxide has fallen by an estimated 40 per cent in three European cities, according to new satellite data released by the European Space Agency (ESA), coinciding with a widespread lockdown to curb the spread of the coronavirus. New <a href=";ref_src=twsrc%5Etfw">#NO2</a> map available for …

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Our golden connection to a cosmic explosion

Quirks & Quarks·Analysis Bob McDonald's science blog: A neutron star merger 100 million years ago may be the source of Earth’s gold Scientists think a violent neutron star merger 100 million years ago gave rise to all the gold on Earth.(AFP via Getty Images) Take a look at the gold …

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U.S. stops enforcing many environmental laws, citing pandemic

Technology & Science The U.S. Environmental Protection Agency on Thursday abruptly waived enforcement on a range of legally mandated public-health and environmental protections, saying industries could have trouble complying with them during the coronavirus pandemic. The Dave Johnson coal-fired power plant is silhouetted against the morning sun in Glenrock, Wyo., …

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