Hello Hamilton! January 15, 2016 by treespleasehamilton Leave a comment Hello fine city of Hamilton! We have a plan. A plan to line every street in every neighbourhood with trees. Why? Trees improve air quality.. Advertisements Share this:TwitterFacebookGoogleLike this:Like Loading... Author: treespleasehamilton A project of the Hamilton Naturalists' Club and Environment Hamilton. Funding by Ontario Trillium Foundation.