The philanthropist manages more than 170,000 hectares of Argentinean land , but his latest venture -- worth reportedly up to $ 300 million -- is to produce biofuel from corn and sugar cane grown in Brazil 's Cerrado . An estimated 9.5 millionaires in world are worth $ 37.2 trillion , Merrill Lynch reports . World 's elite rich gave an estimated $ 285 billion to charity in 2006 . Comment:
An estimated 9.5 millionaires in world are worth $ 37.2 trillion , Merrill Lynch reports . World 's elite rich gave an estimated $ 285 billion to charity in 2006 . Comment: