"Make green solutions economically rewarding, not just moral Tyson uses the collapse of commercial whaling as his evidence: moral campaigns to save whales failed for decades until petroleum made whale blubber economically obsolete. "I don't expect you to just say to people in a free country that they need to behave in a progressive or green way" — instead, he argues that the lesson for students and entrepreneurs is to "be economically inventive" so that the solution outcompetes the problem on financial terms, not just ethical ones. Anyone trying to drive behavioral change — in business, policy, or their own household — should ask first: does adopting this change save or make money for the person whose behavior needs to change? Source: Neil deGrasse Tyson, StarTalk, Cosmic Queries Episode"