Elizabeth Ridlington is associate director and senior policy analyst with Frontier Group. She focuses primarily on global warming and clean vehicles, and has written dozens of reports on these and other subjects. Her 2018 report Trouble in the Air found that millions of Americans regularly breathe air polluted by smog and particulate pollution, and was covered in the Washington Post, the Atlantic, and National Public Radio. Her report Moving America Forward assessed the impact of state and national policies to reduce global warming emissions, and she has written numerous reports on the benefits of state adoption of stronger vehicle emission standards. Elizabeth graduated with honors from Harvard with a degree in government. She joined Frontier Group in 2002. She lives in Northern California with her husband and son.