Emissions trading programs reduce air pollution by setting a permanent cap on emissions, then allowing trading within that cap. Companies that fail to meet their EPA mandated emissions reductions
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/20-billion-emission-trading-program-goes-online
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change