Organized in 1990, Redwood Summer was a movement of environmental activism

Environmentalism

Environmentalism is a broad philosophy, ideology and social movement regarding concerns for environmental conservation and improvement of the health of the environment, particularly as the measure for this health seeks to incorporate the concerns of non-human elements...

 aimed at protecting old-growth Redwood (Sequoia sempervirens) trees from logging by northern California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 timber companies. Headwaters Forest Reserve near Eureka, California is the largest area of old-growth forest protected as a result of the Redwood Summer protests.

Judi Bari bombing

On May 24, 1990, Judi Bari

Judi Bari

Judi Bari was an American environmentalist and labor leader, a feminist, and the principal organizer of Earth First! campaigns against logging in the ancient redwood forests of Northern California in the 1980s and '90...

 and Darryl Cherney

Darryl Cherney

Darryl Cherney is a musician and environmental activist. He is member of the Earth First! environmental movement. He lives in Humboldt County, California....

were driving through Oakland, California when a pipe bomb exploded directly under Bari's driver side seat. They were on a tour to recruit college students for Redwood Summer.