CNN Money

The company said Tuesday that it will aim to contribute "100%" of its leftover food to Feeding America -- which runs a national network of food banks -- from its 7,000-plus U.S. locations by this time next year.

The idea didn't come from Starbucks' corner offices -- it came from baristas behind the counter.

"Our people just felt so badly. And this has been going on for quite some time. And so we started doing our homework-- municipality by municipality," Starbucks CEO Howard Schultz said in an interview with CNN's Poppy Harlow.

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