Carol Costello anchors the 9 a.m. to 11 a.m. ET edition of CNN's "Newsroom" each weekday. The opinions expressed in this commentary are solely those of the author. (CNN) -- It's all about money. That great big money pit where hypocrisy lives and science goes to die. Take climate change. Yeah, I hear some of you. You don't "believe in it," as though global warming is some kind of religion. Well, it sort of is. But it has little to do with God and everything to do with the color green. I discovered just how cynical I am about that "money pit" when I sat down recently with Chloe Maxmin, a 22-year-old climate activist and senior at Harvard University whose idealism shines as bright as the North Star. I asked her why the issue is so important. "Climate change is affecting everything I love and everything I care about," Maxmin told me. "My values at the moment lie around mitigating climate change and doing something about this impending crisis that is going to affect my generation and billions of people around the world."

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