Which 1987 treaty successfully phased out ozone-depleting substances? By Kalsoom Tahir ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 13 Aug 2026 A. Kyoto Protocol B. Paris Agreement C. Montreal Protocol D. Convention on Biodiversity Check Answer 💡 Explanation: The Montreal Protocol is a landmark international agreement that successfully reduced the production of CFCs to protect the ozone layer. 📚 Topics: Environment and Conservation Environmental Issues 🎯 Exams: CSS GEN NTS PMS
