Rolling Stone: Few scientists are more widely beloved by the public than the amiable David Suzuki. His background is in genetics (he was a professor at the University of British Columbia until his 2001 retirement), but the 79-year-old Canadian biologist, broadcaster and environmentalist has spent the past five decades explaining the wonders of nature and, increasingly, the threats to our survival from climate change to a popular audience on radio, television, and through his best-selling books; the most recent...