The top United Nations court will take up the largest case in its history on Monday when it opens two weeks of hearings into what countries worldwide are legally required to do to combat climate change and help vulnerable nations fight its devastating impact.
After years of lobbying by island nations who fear they could simply disappear under rising sea waters, the U.N. General Assembly asked the International Court of Justice last year for an opinion on “the obligations of States in respect of climate change.”
“We want the court to confirm that the conduct that has wrecked the climate is unlawful,” Margaretha Wewerinke-Singh, who is leading the legal team for the Pacific island nation of Vanuatu.
In the decade up to 2023, sea levels have risen by a global average of around 4.3 centimeters (1.7 inches), with parts of the Pacific rising higher still.
The world has also warmed 1.3 degrees Celsius (2.3 Fahrenheit) since pre-industrial times because of the burning of fossil fuels.
Vanuatu is one of a group of small states pushing for international legal intervention in the climate crisis.
Any decision by the court would be non-binding advice and unable to directly force wealthy nations into action to help struggling countries. Yet it would be more than just a powerful symbol since it could serve as the basis for other legal actions, including domestic lawsuits.
Ahead of the hearing, advocacy groups will bring together environmental organizations from around the world. Pacific Islands Students Fighting Climate Change — who first developed the idea of requesting an advisory opinion — together with World Youth for Climate Justice plan an afternoon of speeches, music and discussions.
From Monday, the Hague-based court will hear from 99 countries and more than a dozen intergovernmental organizations over two weeks. It’s the largest lineup in the institution’s nearly 80-year history.