Ontario announced that as of Sept. 5, 2007, all 121 recommendations set out in the Report of the Walkerton Inquiry have been implemented. On the same day, Ontario signalled its interest in creating a cap and trade system for greenhouse gas emission credits in the Province by establishing a working group of experts to develop protocols for an offset system. For the details of both announcements see  http://www.ene.gov.on.ca/en/news/index.php