Case Studies

Photo attributed to Lazy Lightning. Incorporated here under the Creative Commons Attribution 2.0 Generic license. No endorsement by licensor implied.

Tom Mendenhall. Public domain, via Wikimedia Commons

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

Hispalois, own work. CC-BY-SA-3.0, http://creativecommons.org/licenses/by-sa/3.0/legalcode, via Wikimedia Commons

Public domain image courtesy of Noroton and Wikimedia Commons.

Drought at Lake Mead. Photo by Chris Richards, via WikiMedia Commons. Attribution-NonCommercial-NoDerivs 2.0 Generic (CC BY-NC-ND 2.0)

Larry Workman, Quinault Indian Nation. Used with permission.

Angus cattle on pasture. USDA photo by Scott Bauer. Public domain

The skyline of Portland, Oregon looking west from the Hawthorne Bridge. Photo by Eric Baetscher. Used via a Creative Commons license (CC BY-SA 2.5)

Still image from video footage by Denver Water

(c) 2005 Derek and Julie Ramsey (Ram-Man). Incorporated here under the Creative Commons Attribution-Share Alike 2.5 Generic license. No endorsement by licensor implied.

Miguel Vieira, Walnut Creek, California. CC BY 2.0, http://creativecommons.org/licenses/by/2.0, via Wikimedia Commons

San Francisco at sunset. Double L -Taraval, by David Yu. Used via Creative Commons License, CC BY-NC 2.0 DEED, via Flickr.