Youth Climate Activists Get Major Win in Montana Supreme Court

The court agreed that the state’s energy policies violated Montanans’ constitutional right to a clean environment.

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What Know About a Landmark Court Case

Judges in The Hague are weighing what, exactly, international law requires countries to do about global warming.

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U.S. Defends Paris Climate Accord as ‘Best Hope’ at International Court of Justice

In a landmark international hearing on climate change, a U.S. representative backed the Paris Agreement, but left unanswered questions about U.S. commitments in a Trump presidency.

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Maine Becomes the Latest State to Sue Oil Companies Over Climate Change

In a new lawsuit, the state’s attorney general claims oil companies deceived the public about fossil fuel products’ contributions to climate change.

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