The countdown to Election Day is now in the single digits, and this year there are a number of major issues on the line. One of those issues could have implications for humanity as a whole: climate change.  "This midterm election has significant stakes for the climate," Geoffrey Henderson, a postdoctoral associate at Duke's Sanford School of Public Policy, told CBS News.  Clean energy, pollution and infrastructure upgrades are all important aspects of climate policy that have found their way onto the ballot. Andrew Pershing, director of climate science at the nonpartisan research group Climate Central, told CBS News, "The earlier you act, the more effective the actions are and the cheaper they are and the more benefits you get."  "Even though the scientific consensus on climate change has been really well-known for decades, we haven't really had that action," he said. "And so every year that we don't act just means that the world is more expensive, and frankly, more dangerous for a lot