Varun Sivaram, senior fellow for energy and climate and Director of the Climate Realism Initiative at the Council, sits down with James M. Lindsay to discuss the state of the global environment and U.S. climate policies on the occasion of Earth Day 2025.   Mentioned on the Episode:   Varun Sivaram, Taming the Sun   Varun Sivaram, “We Need a Fresh Approach to Climate Policy. It’s Time for Climate Realism," CFR.org   “The Moral Assumptions Embedded in Economic Models of Climate Change,” The Economist For an episode transcript and show notes, visit The President’s Inbox at: https://www.cfr.org/podcasts/tpi/climate-change-realism-earth-day-2025-varun-sivaram