The refugees of boom-and-bust

At TEDGlobal U, Cameron Sinclair shows the unreported cost of real estate megaprojects gone bust: thousands of migrant construction laborers left stranded and penniless. To his fellow architects, he says there is only one ethical response.

2006 TED Prize winner Cameron Sinclair is co-founder of Architecture for Humanity, a nonprofit that seeks architecture solutions to global crises — and acts as a conduit between the design community and the world's humanitarian needs.