Ideas change everything

Bjorn Lomborg fixe des priorités pour le monde.

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Bjorn Lomborg |

TED2005

• February 2005

Si on vous donnait 50 milliards de dollars à dépenser, que résoudriez-vous en premier, le Sida ou le réchauffement climatique ? Le politologue danois Bjorn Lomborg présente des solutions surprenantes.

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Want to use TED Talks in your organization?

Si on vous donnait 50 milliards de dollars à dépenser, que résoudriez-vous en premier, le Sida ou le réchauffement climatique ? Le politologue danois Bjorn Lomborg présente des solutions surprenantes.

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This talk was presented at an official TED conference.

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About the speaker

Global prioritizer

See speaker profile

Danish political scientist Bjorn Lomborg heads the Copenhagen Consensus, which has prioritized the world's greatest problems -- global warming, world poverty, disease -- based on how effective our solutions might be. It's a thought-provoking, even provocative list.

Learn more

Cool It

Bjorn Lomborg | Knopf (2007)

Bjorn Lomborg - *Cool It*

Since the Talk: 8 years later, the biggest problems in the world

Nearly a decade after he gave his talk, Lomborg shares his latest thinking on where we should focus spending to maximize social good.

What do global problems cost us?

Watch Bjorn Lomborg's follow-up talk and read a Q&A on what the numbers mean.

This talk was presented at an official TED conference.

Read our curation guidelines.