As his train passes through Philadelphia, Saul Griffith sketches out a plan for Australia to take the fight to climate change.
The Sydney-born entrepreneur, who now lives in the US, has won plaudits and garnered an increasingly large profile in his adopted country for an optimistic message that says climate change can be overcome.
Angus GriggNational affairs correspondentAngus Grigg is an investigative reporter based in Sydney. He has worked as a foreign correpondent in China and Indonesia, and has won two Walkley Awards. Connect with Angus on Twitter. Email Angus at agrigg@afr.com
