The King County-Cities Climate Collaboration brings together local governments in King County, Washington to collaborate on sustainability and climate action. It aims to leverage resources, standardize goals and strategies, and share solutions through focus areas like outreach, coordination, and securing funding. Members pledge staff time and annual funds starting at $500 for cities under 5,000 people up to $10,000 for King County. The collaboration supports existing efforts like ICLEI and aims to track local progress on climate goals.