Warfare
"Is this tomorrow[?]"
"Civilian Casualties in Iraq" Photo by Lance Cpl. James F. Cline III.
"9/11 World Trade Center Attack" U.S. Navy Photo.
"U.S. Psy–Ops (Psychological Operations) Leaflet" Public domain.
"Guerrillas Attack Colombian Supreme Court" GNU Free documentation license.
"Black Hawk Down in Somalia" Public domain.
"Israeli and Palestinian Leaders Sign the Oslo Accords" White House photo. Public domain.
"Palestinian Refugee" Adam Moft. Creative Commons Attribution–ShareAlike 3.0
"Colin Powell Argues for the Invasion of Iraq" White House photo. Public domain.
"Civilians Waiting to Cross Congo–DRC Border During the Second Congo War" USAID. Public domain.
"Allied Invasion of Normandy, June 6, 1944" National Archives. Public domain.
Terrorism and Crime
"Guantanamo Bay" Shane T. McCoy, USN, Department of Defense.
"London Bombing" Francis Tyers. Creative Commons Share Alike 3.0 Unported.
"Oklahoma City Bombing" Staff Sergeant Preston Chasteen. Public domain.
"ETA Attack at Madrid International Airport" Sebastián García. Creative Commons Share Alike 2.5 Generic.
"Former Italian PM Aldo Moro Kidnapped by Red Brigades in 1978" Public domain.
"2004 Madrid Train Bombing"
"Tamil Tigers Emblem"
"PIRA Poster"
"2008 Mumbai Bombings" Creative Commons Share Alike 2.0 Generic.
"Security Checkpoint at Seattle Tacoma International Airport" Minneart. Creative Commons Share Alike 3.0 Unported.
Malfunctioning and Uncooperative States
"Darfur Refugee Camp" Photograph by Mark Knobil. Licensed under the Creative Commons 2.0 Generic license.
"Nuremberg Trials" U.S. Department of Defense.
"Housing is a Human Right" Licensed under the Creative Commons 2.0 Generic License.
"Nazi Germany Euthanasia/Eugenics Propaganda" Public domain.
"U.S. Healthcare Protest" The American Federation of Labor and Congress of Industrial Organizations (AFL–CIO). Licensed under the Creative Commons 2.0 Generic License.
"NCA Protest in Zimbabwe" Photograph by Sokwanele–Zvakwana. Licensed under the Attribution–Non Commercial–Share Alike 2.0 Generic.
"2009 Twitter Protest in Iran" Public domain.
"2007 Burmese Anti–Government Protests" Photograph by totaloutnow. Licensed under the Creative Commons 2.0 Generic license.
"Ethiopian Civil War" US Department of Defense. Public domain.
"Prison Abuse at Abu Ghraib" Public domain.
"UN Security Council Considers Peacekeeping Mission to Darfur" UN Photo by Evan Schneider.
"USS Cole Bombing" Public domain. "Cholera Outbreak" Joanna Stavropoulou.
Resource Scarcity
"Cattle Farm" Photograph by Vaarok. Creative Commons Attribution 2.5 Generic.
"Mining" Photograph by Norm Hansen. Creative Commons Attribution 2.5 Generic.
"Kolwan Valley, Photo by Daniel Bachhuber, www.danielbachhuber.com, Creative Commons Attribution 2.5 Generic.
"Forest Burned for Farming in Mexico" Photograph by Jami Dwyer. Public domain.
"Retrieving Water in the Desert in India" Photograph by Curt Carnemark. Creative Commons Attribution 2.5 Generic.
"Water Tank in Zimbabwe" http://www.sokwanele.com. Public domain.
"Slum Home in Jakarta" Photograph by Jonathan McIntosh. Licensed under the Creative Commons 2.0 Generic license.
"Shanty Housing in Hong Kong" Photograph by Stephen Codrington. Licensed under the Creative Commons 2.0 Generic license.
"Computer Classes in El Salvador, 2009" Photograph by Lee Shaver. Licensed under the Creative Commons Attribution–NonCommercial–ShareAlike 2.0 Generic license.
"Lake Victoria, East Africa" Photograph by Michael Shade. Public domain.
"Petrochemical Plant in Saudi Arabia" Photograph by Secl. Creative Commons Attribution 3.0 Unported.
"Wind Farm"
"Desertification in Xinjiang, China" Photograph by Peter Morgon. Licensed under the Creative Commons 2.0 Generic license.
"Farmland in Tibet" Photograph by Luo Shaoyang. Licensed under the Creative Commons 2.0 Generic license.
"Solar Panels" Wikimedia.
Pandemics
"Iron Lung for Polio Patients" From the Center for Disease Control, Public Health Image Library.
"1918 Influenza Pandemic" Photograph by Edward A. Rogers. Public domain.
"Public Transit Rider Takes Precaution Against Infection" Photograph by Arthur Washington Thomas. Public domain.
"SARS Checkpoint at Taiwan Tauyuan International Airport" Photograph by Patrick Nosker. Licensed under the Creative Commons Attribution–Share Alike 3.0 Unported license.
"Malaria Plasmodium" Photograph by Tim Vickers, the U.S. Federal Government. Public domain.
"Tuberculosis" From the U.S. Department of Health and Human Services. Public Domain.
"World Health Organization" Photograph by Yann Forget. Licensed under the GNU Free Documentation License, Version 1.2.
"World Human Development Index Map" From the UN Human Development Report 2008. Public domain.
"Global Malaria Prevalence" From World Health Organization.
"Global HIV Prevalence" From the World Health Organization.
"Global TB Prevalence" From the World Health Organization.
Environment
"Slum Pollution in the Himalayas" Photograph by meg and rahul. Licensed under the Creative Commons Attribution 2.0 Generic license.
"Hurricane Katrina Flooding" From Wikimedia Creative Commons.
"Mobile Home Destroyed by Tornado in Maine" From the National Weather Service.
"Trash Pickers Sort Through a Landfill in Brazil" Photograph by Marcello Casal Jr. for Agencia Brasil. Licensed under the Creative Commons 2.5.
"Landowners in Hawaii Discuss Biological Field Research Station Project" Photograph by Michael Avosa.
"Scientists from Developing Countries Discuss Environmental Challenges" Photograph by Gracie Abad Maximiano. Used with permission.
"Hurricane Katrina Flooding" From Wikimedia Creative Commons.
"Polluted Japanese Bay" From Wikimedia Creative Commons.
"Chinese Protest Lack of Earthquake–Safe Construction in Schools"
"2007 UN Climate Change Conference in Bali" Photograph by Ng Swan Ti/Oxfam. Licensed under the Creative Commons 2.0 Generic license.
"2010 Haiti Earthquake" Photograph by Mass Communication Specialist 2nd Class Justin Stumberg, The United States Navy.
"Ozone Layer Hole" Photograph from NASA. Public domain.
"Sinking Cateret Atoll" Photograph from NASA. Terms of use at http://eol.jsc.nasa.gov/info/use.htm.
"Fragmented Icebergs" From Wikimedia Creative Commons.
WMD Proliferation
"Nuclear Bombing of Nagasaki" U.S. Marine Corps. Public Domain.
"Mustard Gas Attack in World War I" John Singer Sargent. Public Domain.
"Iranian Delegate Speaks to International Atomic Energy Agency" Dean Calma/IAEA.
"Participants in the Nuclear Non Proliferation Treaty" Map by Allstar86. Creative Commons Attribution–Share Alike 3.0 Unported.
"Peacekeeper Missile" US Air Force. Public domain.
"Soviet Intercontinental Ballistic Missile" Photograph by Panther. Creative Commons Attribution–Share Alike 2.5 Generic license.
"2009 Security Council Summit on Non Proliferation" www.kremlin.ru Creative Commons Attribution 3.0 Unported license.
"Russia and United States Sign Strategic Arms Reduction Treaty in 2010" UN Photo/Mark Garten.
"Atomic Mushroom Cloud" From the U.S. Department of Defense. Public domain.
"Cuban Missile Crisis" From the Central Intelligence Agency. Public domain.
Economic Insecurity
"Fishermen in Ghana" Photograph by Stig Nygaard. Licensed under the Creative Commons 2.0 Generic license.
"Favela in Rio de Janeiro" Licensed under the Creative Commons 2.0 Generic license.
"Tea Party Protest" Photograph by Sage Ross. Multi–license with GFDL and Creative Commons CC–BY–SA–2.5 and older versions (2.0 and 1.0).
"Foreign Workers in Dubai" Photograph by Paul Keller. Licensed under the Creative Commons 2.0 Generic license.
"Trash Pickers in India" Photograph by Juicyrai. Attribution–NonCommercial–ShareAlike 2.0 Generic license.
"Tortilla Protest in Mexico" Photograph by lizdinovella. Creative Commons Attribution 2.0 Generic license.
"Protesters at WTO Ministerial Conference" Photograph by DCrow123. Creative Commons Attribution–Share Alike 3.0 Unported license.
"World Vision Provides Humanitarian Aid" Photograph by World Vision. Creative Commons Attribution 3.0 Unported license.
"Immigration Protest" Photograph by Walter Parenteau. Creative Commons 2.0 Generic license.