A group of young people argue Ontario's weakened emission target is a violation of their Charter rights. On Thursday, the Appeal Court of Ontario declined to rule on that question, but said lower courts shouldn't have dismissed the case,

Ruling sends the case back to lower court for a new hearing and revives the possibility that Ontario's weakened emissions target may still be found unconstitutional

Ontario's top court has ordered a new hearing for a youth-led constitutional challenge of the provincial government's emissions target, saying the case raised important issues that should be considered afresh.