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