Peter Raven Dies at 89; Botanist Warned of Perils of Climate Change

He transformed the Missouri Botanical Garden into an international research hub and laid out the existential threats posed by deforestation and unchecked development.Dr. Peter Raven in 1990 with a display of butterfly specimens at the Missouri Botanical Garden in St. Louis, where he was the director. An ardent conservationist, he once said, “As we destroy the environment, we are destroying ourselves.”