Last fall, Ecuador marked the 15th year anniversary of its constitutional recognition that nature has the rights to exist and regenerate. One of the activists behind that law describes new challenges the movement is confronting.

By Katie Surma

MINDO, Ecuador—Natalia Greene ducks her head underneath the fronds of a giant fern. It is pitch black in the Chocó Andino cloud forest and Greene is searching for spiders, frogs and other nocturnal creatures.