The UN's top court on Wednesday ruled climate change an "existential problem of planetary proportions" and said countries had a legal duty to act or face consequences.

The United Nations’ top court has issued a landmark advisory opinion on climate change. The International Court of Justice’s 15 judges considered for the first time what the court’s president calls “a

The International Court of Justice ruled that nations have an obligation to act on climate change under international laws protecting the environment and human rights.