Young environmental activists scored what experts described as a ground-breaking legal victory Monday when a Montana judge said state agencies were violating their constitutional right to a clean and healthful environment by allowing fossil fuel development. The ruling in this first-of-its- kind trial in the U.S. adds to a small number of legal decisions around the world that have established a government duty to protect citizens from climate change. If it stands, the ruling could set an important legal precedent, though experts said the immediate impacts are limited and state officials...…Young environmental activists scored what experts described as a ground-breaking legal victory Monday when a Montana judge said state agencies were violating their constitutional right to a clean and healthful environment by allowing fossil fuel development. The ruling in this first-of-its- kind trial in the U.S. adds to a small number of legal decisions around the world that have established a government duty to protect citizens from climate change. If it stands, the ruling could set an important legal precedent, though experts said the immediate impacts are limited and state officials...WW…