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,

The court of appeal in Canada's most populous province ordered a new hearing on Thursday in a youth-led lawsuit claiming Ontario's climate plan violates young people's rights.

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.