A metro train is tested on the line leading to the King Abdullah financial district in the Saudi capital Riyadh on November 26, 2024. Saudi Arabia next week opens UN talks on land degradation and desertification, pitching itself as a front-line responder to environmental hardship despite claims the top oil exporter blocks steps to fight climate change. (Photo by Fayez Nureldine / AFP) (Photo by FAYEZ NURELDINE/AFP via Getty Images)