Political donation motivated by concern for a baby’s future

What makes someone give $1.6m to a political party? Sydney Morning Herald, 8 Jan 2011, “….He [Graeme Wood] gave $1.6 million, [to the Greens] almost certainly the largest single political donation by an individual in Australian history….Wood’s driving motivation is personal, rather than political. Having stepped back from executive duties at Wotif, he has time to think. A one-year-old grandson, Liam, focuses his mind on what the world will be like in a century.”The only agenda is my concern for the environment and what it’s going to be like when my grandson is 20 or 40 or 60,” Wood says. What makes someone give $1.6m to a political party?