Hans Rosling 200 countries, 200 years, 4 minutes"
http://www.youtube.com/watch?v=jbkSRLYSojo
Hans Rosling debunks myths about the developing world:
http://www.youtube.com/watch?v=RUwS1uAdUcI or http://www.ted.com/talks/hans_rosling_shows_the_best_stats_you_ve_ever_seen.html
Hans Rosling and the magic washing machine:
http://www.ted.com/talks/hans_rosling_and_the_magic_washing_machine.html
Dianna Cohen: Tough truths about plastic pollution:
http://www.ted.com/talks/dianna_cohen_tough_truths_about_plastic_pollution.html
Mitchell Joachim: Don't build your home, grow
http://www.ted.com/talks/mitchell_joachim_don_t_build_your_home_grow_it.html
Jared Diamond on why societies collapse
http://www.ted.com/talks/jared_diamond_on_why_societies_collapse.html
Al Gore's new thinking on the climate crisis
http://www.ted.com/talks/al_gore_s_new_thinking_on_the_climate_crisis.html
James Balog: Time-lapse proof of extreme ice loss
http://www.ted.com/talks/james_balog_time_lapse_proof_of_extreme_ice_loss.html
or choose another from a theme that interests you at http://www.ted.com/themes
Dianna Cohen: Tough truths about plastic pollution:
http://www.ted.com/talks/dianna_cohen_tough_truths_about_plastic_pollution.html
Mitchell Joachim: Don't build your home, grow
http://www.ted.com/talks/mitchell_joachim_don_t_build_your_home_grow_it.html
Jared Diamond on why societies collapse
http://www.ted.com/talks/jared_diamond_on_why_societies_collapse.html
Al Gore's new thinking on the climate crisis
http://www.ted.com/talks/al_gore_s_new_thinking_on_the_climate_crisis.html
James Balog: Time-lapse proof of extreme ice loss
http://www.ted.com/talks/james_balog_time_lapse_proof_of_extreme_ice_loss.html
or choose another from a theme that interests you at http://www.ted.com/themes