“Dismantling that system would really undermine the very possibility of evidence-based regulation and enforcement.”The ICJ ruling also said that all countries are responsible for regulating major emitters within their jurisdictions. “The U.S. can’t pretend that it doesn’t apply to them.”The International Court of Justice was created in the wake of World War II to provide a legal venue to settle disputes peacefully between countries. Gusman said she expects further domestic and international litigation down the line to cite the ICJ ruling and to see attorneys seek creative ways to hold the U.S. accountable. The ICJ is not the only court that has ruled that countries have a responsibility to prevent climate change. “What the Trump administration is doing is, full stop, a violation of international law.”