A water study by the Environmental Working Group finds contamination from PFAS chemicals in more than 40 communities nationwide, including many major cities. Based on the findings, the group says PFAS chemicals are likely found in all major water supplies across the country. Plus, President Trump’s pledges to plant one trillion trees across the world to help combat climate change. And, the Senate votes down a plan to subpoena former Energy Secretary Rick Perry’s documents related to President Trump’s impeachment trial. Find more on the show at politico.com/energy-podcast.