Greg Robson and Ed Thorne founded Sand River three years ago with a simple but radical premise: the companies solving the ecological crisis are the best businesses on earth — they just haven't been funded that way. Both came from operational backgrounds. Neither had the next great idea to save nature. What they had was the judgment to find the people who did. This conversation goes deep into how you invest in a market that barely exists yet, what you actually look for in a founder, why valuat...