All Important Environment Concepts for Upcoming OPSC Prelims | OPSC Civil Service

This marathon is designed as a revision material, so that in 5 hours a student can revise all High Value Topics of Environment section for Odisha Civil Service Prelims. 👉Join our Telegram channel (Link below) for free materials and updates: https://t.me/os_academy 👉OPSC Community (Open discussion) - https://t.me/+PUuUrTSaFgw5MzRl --------------------------------------------------------------------------------------------------------------------------------------------------------------- Time Stamps: 0:00 - 31:04 - Key Terminology 31:05 - 56:50 - Components & Key Processes 56:51 - 1:03:04 - Adaptation & Acclimatization 1:03:05 - 1:15:01 - Species Interaction 1:15:02 - 1:21:57 - Ecological Succession 1:21:58 - 1:33:18 - Ecological Pyramid 1:33:19 - 1:53:00 - Types of Ecosystem 1:53:01 - 2:09:13 - Eutrophication, BOD/COD, Algal Bloom, Ramsar Sites, Corals 2:09:14 - 2:23:11 - Biodiversity, Bio-Piracy, Bio-Mining etc. 2:23:12 - 2:30:31 - Wild Life Protection Act 2:30:32 - 2:48:12 - IUCN, Protected Areas, Eco-sensitive Zone, Marine Protected Areas, Transboundary Protected Areas 2:48:13 - 2:59:54 - Biosphere Reserve, Bio-diversity Hotspots 2:59:55 - 3:06:27 - Important Conservation Projects & Vulture Crisis 3:06:28 - 3:30:14 - Pollution, Particulate Pollutant, Fog & Smog 3:30:15 - 3:31:46 - Acid Rain 3:31:47 - 3:45:35 - Disease due to Pollution 3:45:36 - 3:55:03 - CPCB, Thermal Waste Management 3:55:04 - 4:10:53 - Ozone Pollution, Dioxins 4:10:54 - 4:38:47 - Environmental Laws and Policies 4:38:48 - 4:53:28 - Environment Impact Assessment, Green Revolution, Farming Techniques etc. 4:53:29 - 5:15:24 - All Environmental Conventions --------------------------------------------------------------------------------------------------------------------------------------------------------------- ☑️ COMPLETE Prelims Revision Series -    • 🔥 OCS Prelims 2026 Videos 👉   ☑️ Phone - 8249173360 (Whatsapp/ Call) ☑️ Email - [email protected] #OAS2025 #OPSCPreparation #1YearPlanOPSC #OASRoadmap #CrackOPSC #OPSCMainsStrategy #OSAcademy #OdishaCivilService #UPSCvsOPSC #OPSCStudyPlan #Prelims #OSSC #OSSSC #CGL #OSSCCGL