University studies consistently rank Canada near the bottom of industrialized nations for environmental policy.
Members of the wide-ranging, 60-group coalition spoke at events held in Toronto, Montreal and Vancouver.
The issue is likely to wind up before the Supreme Court.
Saskatchewan Court of Appeal ruled in a split decision.
Agreement with Ottawa means the province can still emit millions of tonnes of emissions for 10 years or more past the deadline.
His eventual goal is to make Canada self-sufficient in energy.
She warns the world has 12 years until carbon emissions reach “a point of no return.”
Changes apply recommendations made last fall.
Scientists say four major oilsands mines are releasing an average of about one-third more carbon dioxide per barrel of oil than they report.
Study predicts quadrupling of flooding along the Halifax waterfront as sea levels rise 20 centimetres by mid century.
Under B.C.’s proposals, a leaking well could emit more than twice the amount of methane than Ottawa will allow when its rules come into effect next year.
London, Singapore and Stockholm have all implemented similar systems.
Minister’s AD specifically wanted officials who were to appear to weigh in on what they would like to be asked.
United Nations suggests Canada needs to cut emissions more to prevent the worst climate-change impacts.
Respondents asked for their opinion on what they had heard from the government, 45% had a negative impression.