NextGen America was started by the environmentalist of what nationality?
Tom Steyer Thomas Fahr Steyer (born June 27, 1957) is an American hedge fund manager, philanthropist, environmentalist, liberal activist, and fundraiser.
Ian Kiernan Ian Bruce Carrick Kiernan {'1': ", '2': ", '3': ", '4': "} (born 4 October 1940) is an environmentalist and also a builder who organised the "Clean Up Australia" campaign, and in 1993 a similar "Clean Up the World" operation which attracted participation from 30 million volunteers in 80 countries.