In what some have called a game-changing decision, an Ontario court has ruled that the provincial government's weakened climate target could violate Canada's Charter of Rights and Freedoms. Here's a closer look at the ruling and what could come next.

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 breathed new life into a Charter challenge of the provincial government's emissions target on Thursday, a decision heralded as a major victory for the group of young people who brought the case and others looking to hold governments to account on climate change.