A year and a half into Russia’s full-scale invasion of Ukraine, its impact has been felt most acutely in lost lives, flattened cities and destroyed infrastructure. But the environmental damage from combat has also contaminated Ukraine’s soil, water and air. From Ukrainian farm fields polluted with mines to Norway's new role as the largest exporter of natural gas to Europe, The World's environment correspondent Carolyn Beeler reports on how the environment and climate impacts are likely to be one of the longest-lasting legacies of the war, persisting for decades after the fighting stops.