As scientists warn 2015 is on pace to become the Earth’s hottest year on record, President Obama has unveiled his long-awaited plan to slash carbon emissions from U.S. power plants. Under new Environmental Protection Agency regulations, U.S. power plants will be required to cut emissions by 32 percent from 2005 levels by 2030. In addition, new power plants will be required to be far cleaner, which could effectively prevent any new coal plants from opening. But does the plan go far enough? We speak to Naomi Klein, author of the best-selling book, “This Changes Everything: Capitalism vs. the Climate,” which is out in paperback today.