[The Conversation Africa] The International Court of Justice, the world's highest court, held hearings in mid-December 2024 on the legal obligations that governments have under international law to protect the environment and limit climate change. It's the biggest case the court has ever heard. The court is expected to hand down a legal advisory opinion in 2025. This will shape international climate law and governance. Climate law specialist Zunaida Moosa Wadiwala explains.