In a world with limited resources, can we find ways to salvage what's disappearing? Can we innovate our way out of a finite landscape? Five TED speakers explore ideas about living with less.
The isolated tribes of the Amazon are getting dispersed or dying out. Ethnobotanist Mark Plotkin describes what we'll lose if their culture and collective wisdom vanish with them.
Ecologist Jon Foley says agriculture is the "most powerful force unleashed on this planet since the end of the Ice Age." He says we're using too much to irrigate and we have to rethink how we farm.
Antibiotics save lives. But we rely on them too much, and eventually the drugs may stop working. Economist Ramanan Laxminarayan asks us to think twice before reaching for this fragile resource.
Community organizer Rob Hopkins argues that individuals, towns and communities have a large role to play in lowering our dependence on fossil fuels.
Navi Radjou has spent years studying "jugaad," also known as frugal innovation. While researching emerging markets, he realized creativity might be the most precious renewable resource.