The U.S.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/us-canadian-provinces-launch-first-cap-and-trade-auction-battle-climate-change
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/thompson-reuters-foundation-trust
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-mitigation
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cap-and-trade
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/canada
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/emissions-trading