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.

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.

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.