UPSC CSE Prelims 2026: With the UPSC Civil Services Preliminary Examination 2026 scheduled for May 24 and only a few weeks left, this is the right time for aspirants to revise important environment-related topics that have remained in the news over the past year. For Prelims 2026, aspirants should revise important environment-related topics that were in news over the past year, especially those connected with international conventions, protected areas, climate change, oceanography, environmental governance, pollution, and conservation initiatives. In recent years, UPSC has frequently asked Prelims questions from Wetlands and Ramsar Convention sites, Biodiversity conventions, Climate change mechanisms and more. Gear up for UPSC Prelims 2026—Practice smarter, revise faster, and succeed with our  Special Quiz Magazine . ( Click Here ) Here’s a checklist of important environment topics, conventions, climate developments, and conservation issues you shouldn’t miss.…