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Combatting climate change requires an integrated, regional response that builds on the shared vision and leadership of the region’s public, private and civic sectors, as well as the participation of all King County residents. As a regional entity, King County is in a unique position to advance regional solutions that address climate change. Learn more about County initiatives and programs that tackle climate change across sectors and regions.

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One Million Trees - tree planting

1 Million Trees

King County is working to achieve the goal of an 80 percent reduction in countywide greenhouse gas emissions by 2050. To do this public, civic, and private sectors are partnering in a region-wide effort to plant one million trees as a way to reduce the amount of greenhouse gases in the atmosphere, increase tree canopy cover, create shade in urban areas, and so much more. Read about the benefits of trees and the one million trees initiative.

Electric bus

Zero Emissions Fleet

King County Metro is taking action on climate change by reducing transportation-related greenhouse gas emissions. To do this, Metro is transitioning to a zero-emission vehicle fleet powered by renewable energy. Read more about Metro’s zero-emission vehicle fleet plan.

Seattle - Elliott Bay air pollution

Climate Health Action Team (CHAT)

In 2015, after participating in the development of the King County Strategic Climate Action Plan, Public Health – Seattle-King County (PHSKC) staff formed a Climate Health Action Team (CHAT) to develop internal expertise on climate change and health, elevate the public health voice for climate action, and develop a strategic approach to PHSKC engagement on this critical issue. The team includes representatives from across the department, including Preparedness, Communications, Chronic Disease & Injury Prevention, and Environmental Health Services.

Local Food Initiatve - kids with carrots

Local Food Initiative

King County's Local Food Initiative is taking bold steps to support the local food economy, including to (1) better connect local farms to consumers, (2) increase access to healthy, affordable foods in underserved areas, (3) support farmers and protect farmland, and (4) create a sustainable farm-to-plate pipeline more resilient to the effects of climate change.

Sustainable Purchasing

Sustainable Purchasing

King County’s policies support the purchase of sustainable products and services that provide environmental, social and economic benefits. King County is committed to continuously improving the impacts of its procurement of goods and services in a transparent and accountable way that balances fiscal responsibility, social equity, and environmental stewardship. Read more about sustainable purchasing at the County and how you can be an EcoConsumer


Forest Carbon Program

King County’s new Forest Carbon Program is the nation’s first local government carbon credit program! This program is tackling climate change by offering local companies the opportunity to offset their carbon emissions by keeping forests intact here in the region.

Land Conservation Initiative

Land Conservation Initiative

A regional collaboration between King County, cities, business people, farmers, environmental partners and others has created a strategy to preserve our last, most important natural lands and urban green spaces within 30 years. Read more about the Land Conservation Initiative.

Environmental Education Programs & Resources

Environmental Education Programs & Resources 

Educating our youth and communities about climate change is important to create environmental leaders throughout the region. The County provides a variety of programs and services for all age groups. The County offers school programs and field trips, teaching materials, adult and educator workshops, internship and career programs, and more. Learn more about environmental education programs and resources