Multi-billionaire who gave a lecture about American's 'needing to have less things and live a smaller existence' owns a staggering FIVE mansions... including the nation's most expensive homeThey all arrived there in private jets so they could pontificate on the environment:
Jeff Greene, 60, is a billionaire property investor and entrepreneur
He made his money betting against subprime mortgages
At the recent World Economic Forum in Switzerland he said Americans need to lower their lifestyle expectations
He owns five multi-million dollar properties - three in California, one in Florida and one in New York
His $195 million Beverly Hills estate has been called America's most expensive house
...advice from Al Gore's pet pollution puppy, Pharrell Williams:
Pharrell Williams urges climate change awareness. From a private jet. Where he sits, alone.