Last Look: Solving the world's problems

Name: Last Look: Solving the world's problems
Uploaded: 2014-05-24T02:32:56+00:00
Description: What's the world's biggest issue? Voters pick a problem; whoever solves it will win a prize from the new Longitude Prize.

Collected by CNN on May 24, 2014

What's the world's biggest issue? Voters pick a problem; whoever solves it will win a prize from the new Longitude Prize.

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