In 1986, chlorofluorocarbons (CFCs), chemical compounds known to break down ozone in the atmosphere, were banned by the Montreal Protocol. This led to an immediate…
Stratospheric clouds above the Arctic, like those seen here over Kiruna, Sweden, provide ideal conditions for chemical reactions that transform chlorine to a form that…
Steam rises from cooling towers at the coal-fired John E. Amos Power Plant in West Virginia on the Kanawha River as pollution from smoke stacks…
This figure shows the mobile emissions (represented by the CO/NOy ratio) vary with different temperature and specific humidity while the EPA mobile emissions model (blue…
ESSIC scientist Ross Salawitch was recently interviewed in “Envirocast”, a weekly environmental podcast hosted by Dylan Westheimer, a 14-year-old based in California. In the podcast,…