Cap and trade for sulphur dioxide and IMHO it worked pretty well (where's the acid rain anymore?) : https://www.youtube.com/watch?v=CnrFuat458g https://www.you

Cap and trade for sulphur dioxide and IMHO it worked pretty well (where's the acid rain anymore?) : https://www.youtube.com/watch?v=CnrFuat458g https://www.youtube.com/watch?v=CnrFuat458g https://www.hks.harvard.edu/publications/us-sulphur-dioxide-cap-and-trade-programme-and-lessons-climate-policy https://www.hks.harvard.edu/publications/us-sulphur-dioxide-...