Some prominent politicians have claimed that climate change is a hoax and a sizable part of the U.S. population agrees with them. But is it? Maybe climate change is natural cycles; the climate is changing all the time, right? Maybe it’s the sun, or maybe the climate is warming but humans have nothing to do with it. Is the climate becoming more extreme, especially in California? In this talk, we’ll review the most up-to-date evidence for and against, and you can come to your own conclusions. Presented by Gerald Meehl, Senior scientist at the National Center for Atmospheric Research in Boulder, Co.