Jane Goodall, who has died at the age of 91, was a titan in the world of conservation who revealed much of what we know about chimpanzees and animal behavior. | Europa Press via AP Jane Goodall, one of the most influential environmental figures in human history, has died at 91 while doing what she’s done for most of her later years — touring the country to deliver an urgent message about nature and human existence. Goodall, who revolutionized what we know about chimpanzees and animal intelligence, was interviewed as recently as last week, during New York City Climate Week. And her me...

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