@CNN: Some forests in four regions in California, Colorado, the Northern Rockies and the southwestern part of the US have crossed “a critical climate threshold for postfire tree generation,” a new study says https://t.co/uw4j8JA9f4

@CNN: Some forests in four regions in California, Colorado, the Northern Rockies and the southwestern part of the US have crossed “a critical climate threshold for postfire tree generation,” a new study says https://t.co/uw4j8JA9f4