Politics www.washingtonpost.com Mario Molina, Nobel laureate who revealed threat to ozone layer, dies at 77 His work helped show the danger of CFCs, common chemicals found in refrigerants and hair sprays whose use was later greatly curtailed by a landmark international accord.
Impacts www.nature.com Rare ozone hole opens over Arctic — and it’s big Cold temperatures and a strong polar vortex allowed chemicals to gnaw away at the protective ozone layer in the north.
Solutions theintercept.com How a DuPont spinoff lobbied the EPA to stave off the use of environmentally friendly coolants Chemours asks in letter to the EPA for help promoting its HFO refrigerants, to stave off natural coolants that cause far less global warming.