Renown conservation biologist Jane Goodall spoke out at the Paris climate talks about the importance of preserving biodiversity in efforts to create a sustainable and healthy planet. With her seminal research on chimpanzees, Goodall has contributed invaluable knowledge about the importance of conserving non-human species of plants and animals. Azzedine Downes, head of the International Fund for Animal Welfare, agreed on the topic, adding insights from her work with elephants. Photo credit: Jens Schlueter/AFP/Getty Images