An eight-year study of Boston’s natural gas system has revealed that emissions of methane, a powerful greenhouse gas, are significantly higher than previously estimated.
New analyses of global air measurements show that five years after an unexpected spike in emissions of the banned ozone-depleting chemical chlorofluorocarbon CFC-11, they dropped sharply between 2018 and 2019.
Understanding how wildfires impact air pollution and the composition of Earth’s atmosphere is critical for communities near and far because smoke from wildfires can travel long distances and have adverse health impacts on citizens.