20 October 2025 – Montreal Protocol insiders and scholars from Brazil, China, Costa Rica, Ghana, and the United States have authored a new paper documenting how fast phase down of hydrofluorocarbon (HFC) greenhouse gases will be less expensive than the existing schedule. The paper, HFC Phasedown Under the Kigali Amendment to the Montreal Protocol Is […] The post A Fast hydrofluorocarbon (HFC) Phase Down is Less Expensive than Slow! first appeared on Institute For Governance & Sustainable ...