IGSD Primers A Primer on Cutting Methane (2023) Background Note: The Need for Fast Near-Term Climate Mitigation (2023) Background Note: Debt-for-Climate Swaps (2020) Primer on Polar Warming (2019) Primer on Hydrofluorocarbons (2019) Primer on Energy Efficiency (2017) U.S. Climate Action Plan Supplement (2014) Primer on Short-Lived Climate Pollutants (2013)