This disease has killed a million trees in California, and scientists say it’s basically unstoppable
Healthy forests are especially important at a time of climate change — they’re an incredible tool to remove carbon dioxide from the atmosphere. Dead forests, on the other hand, can light the spark for wildfires, which are already showing a long-predicted uptick in activity. In California’s coastal forests, health is anything but good. Since 1995, a fungal pathogen...