HAWAII
01/02/2014 04:41 pm ET Updated Jan 23, 2014

A Millionaire's Quest To Save Waikane Valley

Joshua McCullough via Getty Images

WAIKANE, Hawaii — On days he can round up at least one volunteer to help him in his mission to restore native species to the forest, Paul Zweng commutes in an all-wheel-drive pickup from the home he shares with his wife and children in suburban Honolulu. Hugging the coast north toward the striking mountain terrain on the windward side of Oahu, he stops to pick up Sam or Charlotte or Jim. The regulars.

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