1 Million Trees


King County is planting 1 million trees by 2020. 

Join the 1 Million Trees effort by signing up for updates.


Why plant 1 million trees in King County?

Healthy forests and trees store carbon and contribute to clean air and water, healthy habitat for salmon and other wildlife, and more livable communities. One Million Trees is part of King County’s ambitious five-year action plan to reduce carbon pollution and prepare for the impacts of a changing climate.

Sign up to learn more! Click here to subscribe for news and updates on this exciting new project.

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King County invites community organizations, other public agencies, local businesses, schools, tribes, homeowners and residents throughout the county to join this campaign – whether you’re planting a street tree outside your home or organizing a volunteer work party at your company, everyone has the opportunity to make a difference.