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The British government's chief scientist shares his concerns about the global food system in this BBC video interview.

He debunks a couple of misconceptions and discusses a report he commissioned on food security that is expected to say that international leaders must start working together now to find ways to boost production.

The main problems facing food supplies in the future are population growth and climate change, he says.

Author

Donna Stokes

Donna Stokes is the managing editor of World Ark magazine. She has worked for Heifer International since September 2008 when she leaped over to the nonprofit world from a two-decade career in newspaper journalism.