title: More in Montreal.
mesh_terms: D003226:Congresses as Topic / Q000266:history / Q000639:trends; D058735:Environmental Policy / Q000266:history / Q000331:legislation & jurisprudence*; D017752:Greenhouse Effect / Q000331:legislation & jurisprudence / Q000517:prevention & control; D049673:History, 20th Century; D049674:History, 21st Century; D007214:Indonesia; D007391:International Cooperation; D010126:Ozone / Q000032:analysis; D011792:Quebec
chemical_list: D010126:Ozone