[1] Tree-sitters in trees claimed by Pacific Lumber in Humboldt County have been subject to forced removal by hired extractors.
The practice started with a single extractor in the late 1990s but in 2003 Pacific Lumber hired teams of climbers to remove dozens of tree-sitters, particularly in the Freshwater area East of Eureka, California.
[4] In May 2021, RCMP forces in Canada extracted treesitters on Vancouver Island by flying a helicopter dangerously low above the trees and dropping ERT officers in the canopies or down on long lines to forcibly remove those occupying the sits.
There was no communication, safety precautions taken, or research done into the stability of the sits prior to the helicopter landing.
The "Fern Gully" in Northern California lasted over 20 years, ending in 2008 with agreement not to fell the stand of old growth redwood trees.