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Experts Say Global Warming Affecting Crops, Food Supply


An international conference on world food security and climate change is taking place in Rome. U.N. Secretary-General Ban Ki-moon is there, along with French President Nicolas Sarkozy and Iranian President Mahmoud Ahmadinejad.

Experts say global warming is having an impact on the world's food supply and may impact it even more in the future. VOA's Carolyn Presutti explains.

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