For several years a pathogen distantly related to the Irish potato blight has been killing off California’s oak trees. Now researchers have found the microbe infecting California Redwood and Douglas fir. Deirdre Kennedy reports.
Every day, reporters and producers at The World are hard at work bringing you human-centered news from across the globe. But we can’t do it without you. We need your support to ensure we can continue this work for another year.
Make a gift today, and you’ll help us unlock a matching gift of $67,000!