In a landmark ruling, the International Court of Justice declared that failure to act on climate change can be an “internationally wrongful act”—meaning countries could face legal consequences for harming the planet.

It marks the first time the International Court of Justice, the UN’s top court based in the Hague, has considered the climate crisis.

A recent report from the Public Policy Institute of California found additionally that 60% were very concerned, a remarkable increase from 47% last year.