Reductions in CFC-11 emissions put ozone recovery back on track
Scientists observe reduction in emissions of banned ozone-depleting chemical after unexpected spike.
Scientists discover the source of new CFC emissions
Despite global phase-out, the ozone-depleting chemical is still in production in eastern China.
New threat to ozone recovery
Study finds chloroform emissions, on the rise in East Asia, could delay ozone recovery by up to eight years.
Monitoring the atmosphere, changing the world
The AGAGE network celebrates 40 years of measuring ozone-depleting and climate-warming gases.
A brief history of environmental successes
Susan Solomon's John H. Carlson Lecture examines past environmental challenges in the context of today's fight against climate change.
Susan Solomon awarded the Royal Society's Bakerian Medal
Professor of atmospheric chemistry honored for her contributions to atmospheric science.
Tackling air pollution in China
Combining climate policy and vehicle emissions standards could pack a one-two punch.
Modeling the unequal benefits of U.S. environmental policy
New toolset evaluates economic impacts of ozone reduction policies for nine income groups.
Explained: Greenhouse gases
Carbon dioxide isn’t the only one that matters, and the gases vary widely in potency and duration.
Forecasting temperature extremes with ozone
MIT study finds that springtime ozone levels are good predictors of summertime temperatures in the Southern Hemisphere.
An Arctic ozone hole? Not quite
MIT researchers find that the extremes in Antarctic ozone holes have not been matched in the Arctic.
Little-studied manmade gases have big warming potential
MIT researchers, as part of an international team, examine the total warming impact of 25 major synthetic greenhouse gases.
