Scientist and author known for her work in the fields of conservation biology and canopy ecology. Her science-themed books include It's a Jungle Up There and Life in the Treetops.
After graduating from Williams College with a degree in biology, she studied ecology at Aberdeen University and botany at Sydney University.
During her time as a professor at Williams College, she constructed the first North American canopy (treetop) walkway.
She was inspired and influenced by the environmental research and activism of Rachel Carson.