TED
Being a world citizen one needs challanges
TED (Technology, Entertainment, Design) “is a nonprofit devoted to Ideas Worth Spreading”.
Look for yourself. NB: TED provides you with subtitles and interactive transcript in many languages.
Here you find some speeches:
William McDonough on cradle to cradle design >>>
Jamie Oliver's TED Prize wish: Teach every child about food >>>
Alex Steffen sees a sustainable future >>>
Advice to those considering a tattoo >>>
FDA and Public Health Experts Warn About Electronic Cigarettes >>>
FDA Urged to Prohibit Carcinogenic "Caramel Coloring" >>>