“So I propose that small cumulative steps do make a difference especially when combined with those of others doing the same thing. Choosing one action to focus on makes it simple. After a while, this becomes a habit and you can move on to the next action.” A few years ago I presented my class “Less is More: Getting to One Can of Garbage a Year” at Northwest Natural Gas over four lunch hours. At the first session, one of the participants said ,“I just don’t know if what I do matters” to which I blurted out, “You’ll feel differently at the end of this class.” Then I thought to myself,…