
1) Hfc
Found on
https://www.crosswordclues.com/clue/hydrofluorocarbon

(from the article `The Environment`) Legislation that curbed greenhouse-gas emissions also came into force in July. It introduced requirements on the containment, handling, recovery, ... On June 22, at a conference in Brussels on `green` refrigerants supported by UNEP and Greenpeace, Coca-Cola, McDonald`s, and Unilever announc...
Found on
http://www.britannica.com/eb/a-z/h/88
No exact match found.