Shaun Seow, who heads the Philanthropy Asia Alliance (PAA), has a theory on why the new generation of Asian philanthropists is more interested in fighting climate change. “A lot of next-generation leaders are recreational divers; they look at the bleached corals and think it’s not right,” says Seow, whose organization is backed by Singapore state investor Temasek, on the sidelines of the Philanthropy Asia Summit. Globally, less than 2% of philan…