Authorities say unemployment and drug addiction have spurred an increase in the destructive practice of cutting off the knobby growths at the base of ancient redwood trees to make decorative pieces ...

Poachers who target the knobby burls on old-growth redwood trees could face stiffer punishment if they are caught under legislation introduced this week by a North Coast lawmaker. State Sen. Mike ...

Add Yahoo as a preferred source to see more of our stories on Google. This May 21, 2013 photo provided by the National Park Service shows wildlife biologist Terry Hines standing next to a massive scar ...

A redwood tree can survive the practice, but the legacy of the organism that could be 1,000 years old is threatened, because the burl is where it sprouts a clone before dying. Sprouting from burls is ...