Like Voltaire’s snowflakes in the avalanche, environmental problems are everyone’s fault but nobody’s problem. Walt Kelly summed the dilemma up famously on a poster he designed for Earth Day in 1970, saying “We have met the enemy and he is us.” This chapter outlines how governance can help address environmental problems, by securing collective action between the diverse groups that make society up, such as businesses, non-governmental organizations (NGOs), government organizations and the public.