Most sustainable cities

To mark the 2025 Net Zero Conference on Oct. 1, LawnStarter ranked 2025's Most Sustainable Cities. We compared the 500 largest U.S. cities using 47 eco-conscious metrics — such as restrictions on gas-powered lawn equipment, the share of car-free commutes, and access to zero-waste grocery stores — sorted into 5 categories.

10 Most Sustainable Cities in the U.S. New York Portland, Oregon Los Angeles San Francisco Seattle Washington, DC Rochester, New York Sacramento, California Boulder, Colorado Oakland, California  Key Insights: ☀️ 80% of the California cities ranked in our study land in the top half. The Golden State has forged paths for composting programs, the green lawn care movement, and infrastructure for electric vehicles.   San Diego (No. 26) claims the highest number of certified zero-energy buildings, with 27. Colorado cities Lakewood (No. 119) and Denver (No. 15) have the most financial incentives supporting renewables and energy efficiency.  Composting is growing in cities across the nation — with new pilot programs emerging in cities like Detroit (No. 312), Fayetteville, Arkansas  (No. 124), and Alexandria, Virginia (No. 33).  Read the full story here: http://www.lawnstarter.com/blog/studies/most-sustainable-cities/