US, China, and G-20 agree to work to global phase down of HFCs
Green Car Congress
SEPTEMBER 6, 2013
This was agreed by: Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Korea, Mexico, Russia, Saudi Arabia, South Africa, Turkey,the United Kingdom, the United States, and the European Union, as well as Ethiopia, Spain, Senegal, Brunei, Kazakhstan, and Singapore. The Montreal Protocol was established in 1987 to protect the ozone layer.