President Obama's environmental plan won't be so hard for states that have moved to cut emissions. But for others it will be more difficult. Scott Olson/Getty Images hide caption

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A worker picks clingstone peaches in Greece. Most of the country's farms are small and family owned. Production costs can be high, and Greek farmers have had trouble competing internationally. Konstantinos Tsakalidis/Bloomberg via Getty Images hide caption

itoggle caption Konstantinos Tsakalidis/Bloomberg via Getty Images

A shop owner arranges his goods in central Athens on Monday. Greek banks have reopened, but capital controls remain in place. Angelos Tzortzinis/AFP/Getty Images hide caption

itoggle caption Angelos Tzortzinis/AFP/Getty Images