@CNN: A total of 18 million trees died in California last year, according to the USDA. “Years of drought and a bark beetle epidemic have caused one of the largest tree die-offs in state history,” said Wade Crowfoot, California Natural Resources secretary. https://t.co/9oA8fTMhbh https://t.co/K2QJBI6rjI

@CNN: A total of 18 million trees died in California last year, according to the USDA. “Years of drought and a bark beetle epidemic have caused one of the largest tree die-offs in state history,” said Wade Crowfoot, California Natural Resources secretary. https://t.co/9oA8fTMhbh https://t.co/K2QJBI6rjI