The Danish island of Samsø demonstrates how a community of 4,000 inhabitants achieved 100% renewable energy self-sufficiency through citizen participation.

Samsø, a Danish island, became in 2007 the first 100% renewable territory — a community achievement driven by social innovation and a local leader who transformed the mindset of the community.

Edward Glaeser argues that human capital drives urban development, while proximity in cities stimulates innovation and broader economic growth overall.

The BJ Fogg model shows that sustainable behavior occurs only when motivation, ability, and a trigger coincide to make the action fully possible.