Despite all the high-minded ideas most of us have about what we should be doing for our health or well-being, or for the greater good of our communities or the environment, most of the time people's actions are based not on our values or beliefs, but on our ingrained habits - habits of thought, attitude, and activity. So one tool to improve our lives and work toward the better world we envision is to use information about habit-formation and related topics to help us moderate or change negative habits and support and grow positive ones.