Climate Central: A new study finds that most of us don’t know what we need to know in order to make an informed judgment about climate change. The study, from researchers at Yale University and the University of Wisconsin-Madison, found that 52 percent of Americans “failed’ a quiz on the basic questions regarding climate change science. Forty percent got a C or a D, and only eight percent of us know enough to rate an A or a B. Should we be surprised? Probably not. After all, roughly half of America …