There could be a cup half-empty scenario brewing for coffee lovers, literally and figuratively.  Climate change could have a huge effect on the supply and cost of coffee, according to a recent study. Up to 70 percent of the world's coffee supply could be wiped out by 2080.

Boston Public Radio looked at coffee from all angles--supply and demand; how far we're willing to go to pay for a cup of joe; and what it takes to brew that perfect cup.

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