
EnvironmentDecember 6, 2018
Exploring the Ecosystem of the U.S.–Mexico Border
Nature is fluid; walls are not
Margaret Wilder is a faculty member in geography and development and in Latin American studies at the University of Arizona, is a Public Voices Fellow with The OpEd Project and has served on the EPA's Good Neighbor Environmental Board.

Exploring the Ecosystem of the U.S.–Mexico Border
Nature is fluid; walls are not