Environmental conservationists, in

Goodall, who died in October at age 91, transformed the study of chimpanzees and over her decades-long career became one of the world's most revered wildlife advocates.

"May we all honor her by carrying forward that same fierce belief that we can do better, that we must do better and that we have a responsibility to protect this beautiful natural world we all share," DiCaprio said in his remarks at the Washington National Cathedral service.

Goodall could be

"But beneath that fierce honesty was an unwavering faith that every voice matters, that we are all connected to the living world, and that each of us can make a difference," DiCaprio said.

Family members, loved ones and figures in her cir

Navajo Nation member DeWayne "Dee" Crank said Goodall's "

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