Philadelphia Inquirer: Before the financial crisis hit, Americans were pretty sure that the globe was warming, and that humans were causing it, and that it was kind of a big deal. As the economy slumped, Americans decided that climate change wasn’t actually happening — and even if it was, it wasn’t our fault. And now, after a flurry of wild weather — deadly tornados, floods, droughts, an uncommonly mild winter, and recent heat waves — we’re back to believing that global warming is real. But we’re still hesitant to take…

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