Western Environmental Law Center is a left-wing law firm that works on environmental issues. The firm sues to oppose the exploitation of natural resources such as mining or logging, works to prevent the loss of wildlife, and works to prevent the exploitation of conventional energy resources to prevent climate change.
The organization works in the western United States. It has a focus in the Rocky Mountain region.
The Western Environmental Law Center works on environmental-related litigation in the western United States. It has an emphasis on the Rocky Mountain region. 
The three major areas of work are defending wildlands, protecting wildlife, and preventing climate change. Much of the work involves opposing the exploitation of natural resources such as opposing mining and logging on public lands. It also opposes the production of conventional fuels, believing those contribute to climate change. 
WELC has offices in Oregon, Washington, New Mexico, and Montana. 
Erik Schlenker-Goodrich is the executive director of Western Environmental Law Center. He joined the staff as an attorney in 2003. He became the executive director in 2012. Previously, he was the public lands attorney for the Wilderness Society. 
Matthew Bishop is an attorney and the Rocky Mountains Office Director. He joined WELC in 1998 and spent his first decade working from the office in New Mexico. He returned to Montana in 2008 and established the Rocky Mountains office. 
Susan Jane Brown is an attorney and the Public Lands and Wildlife Director. She joined WELC in 2009. Previously, she was the natural resources counsel for U.S. Representative Peter DeFazio (D-OR). Before that, she worked as a staff attorney for the Pacific Environmental Advocacy Center, Lewis and Clark Law School’s environmental law clinic. 
Kyle Tisdel is an attorney and climate and energy director. He joined WELC in 2011 as a staff attorney. 
Western Environmental Law Center originated as a law clinic at the University of Oregon. After the Oregon legislature threatened to shut down of the clinic after it challenged timber sales in Oregon to protect the spotted owl, the law clinic moved off campus. 
WELC has spread out all over the west first to New Mexico, then to Montana, and then to Washington. Since it became an independent organization, it had represented hundreds of environmentalist organizations and individuals in lawsuits. 
WELC does not charge its clients for its work. Instead, WELC solicits money from partners and donors.  Notable major institutional donors to WELC include the Educational Foundation of America, Wilburforce Foundation, Deer Creek Foundation, the Campion Foundation, and the William and Flora Hewlett Foundation. 
As of the 2017 Form 990, it had $3.1 million in revenue coming from $2.1 million in contributions and less than $1 million in program service revenue. It spent $2.1 million on expenses, which principally went to supporting various lawsuits.