Case Studies
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 lessandro Cai (OliverZena). This work has been released into the public domain by its author. No endorsement by licensor implied.
Jesse Allen and Robert Simmon, NASA Earth Observatory. Public domain, via Wikimedia Commons
Michele Whitbeck/USFWS
Michael Montoya, Sovereign Nations Service Corps, Mescalero Apache Tribe. Used with permission.
Tom Burke
Oyster bed close up. U.S. Environmental Protection Agency, uploaded by mrjohncummings. Public domain, via Wikimedia Commons
Bureau of Reclamation Research and Development Office
Pittsburgh skyline during the day, taken from Mt. Washington. By Chych at English Wikipedia, CC BY 3.0, https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons
Healthy coral reef in St. Croix, US Virgin Islands. Courtesy of NOAA.
Petty Officer 2nd Class Grant DeVuyst, U.S. Coast Guard. Public domain
