UPSC Key: Semiconductor, US Fed Tapering and Glacial Retreat

Why the Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 is relevant to the UPSC exam? What is the significance of topics such as Leopardus tilcayo, orangutans, and GDP debate on both the preliminary and main exams? You can learn more by reading the Indian Express UPSC Key for September 18, 2026.