Robert Costanza

We should en­gage in a glob­al di­a­logue to en­vi­sion the fu­ture we want – and de­vise an adap­tive strat­e­gy to get us there.

In Bhutan, progress is mea­sured by how hap­py peo­ple are, not how much wealth peo­ple have.

The to­tal costs of pro­duc­ing nu­clear pow­er need to be re-eval­u­at­ed in a more prag­mat­ic way.

The next gen­er­a­tion will have to bring about ma­jor tran­si­tions in or­der to build a more sus­tain­able fu­ture.