TED - Don Norman on 3 ways good design makes you happy

http://www.ted.com/talks/lang/eng/don_norman_on_design_and_emotion.html

Chris Jordan pictures some shocking stats

http://www.ted.com/talks/lang/eng/chris_jordan_pictures_some_shocking_stats.html

TED - Alex Steffen sees a sustainable future

http://www.ted.com/talks/lang/eng/alex_steffen_sees_a_sustainable_future.html

Optional Video on Sustainability:

TED - William McDonough on cradle to cradle design

http://www.ted.com/talks/william_mcdonough_on_cradle_to_cradle_design.html