Sudden Oak Death

Greta Mart/KCBX

Sudden oak death is a forest disease that’s killed millions of trees across California and Oregon over the past couple of decades. It’s been progressively colonizing new areas, but an annual citizen scientist effort works to stop it. 

Bree Zender

A newly-released UC Berkeley study followed cases of sudden oak death (SOD) in California and found levels of the pathogen that cause the disease in oak trees has tripled in the last year.

Greta Mart/KCBX

With a surge of rain over the winter months, scientists at UC Berkeley are on alert for the spread of Sudden Oak Death disease, or SOD. And they need the help of ordinary citizens for research. 

UC Berkeley Forest Pathology and Mycology Laboratory

A disease that kills oak trees along the California coast is spreading quickly and working its way south from Northern California, according to the most recent surveys done by the UC Berkeley SOD Blitz teams.

Central Coast residents concerned with protecting the area's coastal live oak trees are joining forces in the coming days to stop the spread of a serious disease. Sudden Oak Death (SOD) has been a problem in California for years, but now scientists have tools to track—and possibly slow—its spread.