Video

• Video: Tragedy of the Commons: http://www.youtube.com/watch?v=MLirNeu-A8I
• Video: James Hansen: Why I Must Speak Out about Climate Change: http://www.ted.com/talks/james_hansen_why_i_must_speak_out_about_climate...

Audio

• Audio: Are We Losing the Race Against Climate Change?: http://www.npr.org/2013/02/01/170855384/are-we-losing-the-race-against-c...

Web Resources

• Web Resource: Greenpeace USA: http://www.greenpeace.org/usa/en/
• Web Resource: Exploring the Links Between Population and Development: UNFPA: http://www.unfpa.org/pds/
• Web Resource: What is Sustainable Development? (International Institute of Sustainable Development): http://www.iisd.org/sd/
• Web Resource: US Global Change Research Program: http://www.globalchange.gov/home