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Record rise in global CO2 concentrations

Why in News ? Relevance: Understanding CO2 and Greenhouse Gases ? Trends and Record Increase Causes Behind Record Rise Global Temperature Context Implications and Challenges Key Data / Facts Parameter 2024 Value Trend / Notes CO2 concentration 423.1 ppm +2.9 ppm from 2023, +51.4 ppm since 1990 Global temp above pre-industrial 1.55°C First annual average […]

Sustainable fuel use could quadruple by 2035

Why is it in the News? Relevance Sustainable Fuels and Global Energy Transition Definition and Types Current Global Impact Drivers of Sustainable Fuel Adoption Overview Projected Growth to 2035 Economic and Investment Implications Technological Innovation Policy and Regulatory Actions Global Cooperation

Microplastics pollution threatens Goa’s estuarine fisheries

Why is it in the News? Relevance: Basic Concepts 1.           Microplastics 2.           Bioaccumulation & Trophic Transfer 3.           Estuarine Ecosystems Key Findings of the Study Aspect Observation Sample Studied 251 fish across 9 species (finfish and shellfish) from various depths in Mandovi estuary Microplastic Particles Found 4,871 total; 3,369 plastic polymers (19 types) Source of Pollution […]

Red List initiative

Why in News ? Relevance Understanding the Red List Objectives of the National Red List Key Stakeholders Significance of the Initiative Challenges Why It Matters Now ? Conclusion India’s National Red List provides evidence-based prioritization for species conservation, aligning with global biodiversity commitments. It enables targeted policies, protects endemic species, and promotes scientific and community […]

Microplastics impact coral reproduction at multiple stages

Why in News Relevance: Coral Reproduction Basics About the Study Key Findings Mechanism of Impact Comparison with Earlier Studies Year Study Focus Key Outcome 2019 (Australia) Weathered PP effects on Acropora tenuis Reduced fertilization, minimal impact on embryo & larval stages 2024 Microplastic pollution & coral gametes Confirmed impact on gametes but not on larval […]

India’s invasive species present a dilemma

Why in News ? Relevance: What Are Invasive Alien Species (IAS) Global Scenario Status in India Case Studies: Key Invasive Species in India A. Lantana camara B. Prosopis juliflora (“Gando Bawar”) C. Water Hyacinth (Pontederia crassipes) D. Other Aquatic Invaders Ecological Impacts of IAS Level Impact Type Examples Species Level Reduced survival, reproduction, and genetic […]

Darjeeling Disaster 2025

Why is Darjeeling in News Relevance Geography and Vulnerability Key Causes of Current Disaster Consequences Comparative Reference Action Needed Key Takeaways