1. No Man is an Island Social Coordination and the Environment Karine Nyborg University of Oslo

3. Humans are social

5. No external effects: isolation from others

8. Social coordination of researchers: interdisciplinary collaboration

9. Social approval as ’warm glow’

10. Multiple equilibria

14. Network externalities

15. Social norm?

16. Coordination as an environmental policy tool

17. Is there a tipping point?

18. Some factors to look for

19. Can policy trigger tipping (I)?

20. Can policy trigger tipping (II)?

21. Tasks for environmental economists

22. Every man is a piece of the continent, a part of the main