Computer simulations show that adding tiny droplets of ice to the atmosphere during the spring could help eliminate chlorofluorocarbons and repair the hole in the ozone layer.
ozone
Posted inResearch Spotlights
Ozone Hole to Remain Large During Cold Years
Despite the Montreal Protocol's success, it will take years of observations to be sure that regulations are allowing the ozone hole to recover.
Posted inOpinions
Is the Shale Boom Reversing Progress in Curbing Ozone Pollution?
Concentrations of volatile organic compounds—precursors to ground-level ozone formation—are on the rise in areas over and downwind of a major shale oil and gas field in Texas.
Posted inResearch Spotlights
Changing Patterns in U.S. Air Quality
Over the northeast United States, ground-level ozone will peak in the winter rather than the summer thanks to continued reductions of regional nitrogen oxide emissions from smokestacks and tailpipes.
Posted inResearch Spotlights
What Causes Nitric Oxide to Infiltrate the Ozone Layer?
Processes in the polar atmosphere can cause nitric oxide (NO)-enriched air to descend and destroy stratospheric ozone. Scientists explore one cause of these NO fluxes, stratospheric sudden warming.