Case Studies

Steve Sesnie/USFWS

This photo has been released into the public domain because it contains materials that originally came from the National Aeronautics and Space Administration (NASA). No endorsement by licensor implied.

Justin Johnson/USDA ARS

This work has been released into the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration. No endorsement by licensor implied.

Photo attributed to Dirk Ingo Franke. Incorporated here under the Creative Commons Attribution 3.0 Unported license. No endorsement by licensor implied.

Photo attributed to Diego Delso, delso.photo. Incorporated here under the terms of the license CC BY-SA. No endorsement by licensor implied.

Idaho's High Divide. Image Credit: Mason Cummings, The Wilderness Society

Michele Whitbeck/USFWS

Laura Hubers/USFWS

Tom Burke

Oyster bed close up. U.S. Environmental Protection Agency, uploaded by mrjohncummings. Public domain, via Wikimedia Commons

Photo attributed to Ansgar Walk. Incorporated here under the Creative Commons Attribution-Share Alike 3.0 Unported license. No endorsement by licensor implied.