Bill Gates on energy: Innovating to zero!At TED2010, Bill Gates unveils his vision for the world's energy future, describing the need for "miracles" to avoid planetary catastrophe and explaining why he's backing a dramatically different type of nuclear reactor. The necessary goal? Zero carbon emissions globally by 2050.
Sendhil Mullainathan: Solving social problems with a nudgeMacArthur winner Sendhil Mullainathan uses the lens of behavioral economics to study a tricky set of social problems – those we know how to solve, but don't. We know how to reduce child deaths due to diarrhea, how to prevent diabetes-related blindness and how to implement solar-cell technology… yet somehow, we don't or can't. Why?
Aimee Mullins: The opportunity of adversityThe thesaurus might equate "disabled" with synonyms like "useless" and "mutilated," but ground-breaking runner Aimee Mullins is out to redefine the word. Defying these associations, she hows how adversity — in her case, being born without shinbones — actually opens the door for human potential.
John Gerzema: The post-crisis consumerJohn Gerzema says there's an upside to the recent financial crisis — the opportunity for positive change. Speaking at TEDxKC, he identifies four major cultural shifts driving new consumer behavior and shows how businesses are evolving to connect with thoughtful spending.