"Calling for an 'intergenerational transfer of power,' Jarvis recalled attending a conservation conference in 2016 and being confronted by a young woman: She told him it was time for older leaders to stop 'hanging onto the leadership' and get out of the way.

'She said, 'You need to let go.' ... That has really stuck with me,' Jarvis said. 'Most of the people there were old, like me. One friend of mine characterized us as the silverbacks of the conservation movement.'"