Mitigation: Photo by Damien McMaho courtesy Flickr

Policy evaluation: Photo by Chris Combe courtesy Flickr

MRV: Photo by Fabio Bruna courtesy Flickr

Blog: Coal City Club in Coal City, West Virginia
by Jack Corn, The U.S. National Archives

Viet Nam: Photo by Werner Bayer courtesy Flickr

Photo by F. Delventhal courtesy Flickr

V&A Guidebook: Photo by Kurt McKee courtesy Flickr

All other: own pictures