"Loss of habitat is a major problem for wildlife, and I'm happy to see so many private reserves now in Africa," Mr. Buffett said. "It's no good, for example, having a lot of cheetah in one or two national parks where they could be wiped out by a virus. We must have gene pools on viable-size properties."
"The best way to stop this is to cut off the money to those organizations, and that's a part of what we're doing while also saving the rhino," he said. "In many ways, this is an experiment in peace, and hopefully we can replicate it in other parts of the world."