Climate change activists often use the slogan, "Think globally, Act locally." Some states are taking that to heart. A number of states have taken steps to address global warming issues on their own. NPR's Richard Harris reports.
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Award-winning journalist Richard Harris has reported on a wide range of topics in science, medicine and the environment since he joined NPR in 1986. In early 2014, his focus shifted from an emphasis on climate change and the environment to biomedical research.