I think (hope) most runners would support policies that benefit the environment since a clean one makes our sport so much more enjoyable. With that said, check out this article on banning plastic bags.
http://news.yahoo.com/s/ap/20070328/ap_on_re_us/plastic_bag_ban
Anyone else ever been to Wal-Mart on a Saturday afternoon and seen plastic bags flying off the racks like there is no tomorrow? All of which are used for a max of 3 minutes combined when loading the trunk and walking up the driveway at our houses.
Its about time.