by WAKA Action 8 NewsJane Goodall, the conservationist renowned for her groundbreaking chimpanzee field research and globe-spanning environmental advocacy, has died at 91. According to the Washington, D.C.-based institute, Goodall died of natural causes while in California on a U.S. speaking tour. Her discoveries “revolutionized science, and she was a tireless advocate for the protection and restoration of our natural world,” it said. In her later years, Goodall devoted decades to education and advocacy on humanitarian causes and protecting the natural world. Living among the chimpanzeesWhile first studying chimps in Tanzania in the early 1960s, Goodall was known for her unconventional approach.