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Topics for Environment 2024-25
Syllabus for Environment 2024-25
- Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment
Megafauna
Context:
- A 41,000-year-old ostrich nest was discovered in Andhra Pradesh, providing significant insights into the extinction of megafauna in India.
What is Megafauna?
- Megafauna refers to large animals generally weighing over 50 kg.
- Examples include mammoths, saber-toothed cats, and the mega-omnivorous ostrich.
Significance of Discovery:
- The finding supports research on megafauna extinction in India.
- It provides evidence regarding the factors contributing to their disappearance.
Causes of Megafauna Extinction in India:
- Arrival of Humans (~30,000 years ago)
- Hunting and habitat modification by early humans may have accelerated extinction.
- Co-Evolution Hypothesis
- Geographic isolation and abiotic factors (climate change, natural disasters) led to extinction.
- Arrival of Humans (~30,000 years ago)
Global Conclave on Plastic Recycling and Sustainability (GCPRS)
- The Global Conclave on Plastic Recycling and Sustainability (GCPRS) commenced at Bharat Mandapam, Pragati Maidan, to address issues related to plastic waste management, recycling, and sustainability, promoting circular economy principles.
- Learn more with Practice
Dual-Tower Solar Thermal Plant
- China has launched the world’s first dual-tower solar thermal power plant in Gansu Province, improving energy efficiency by 24%.
- This innovative technology enhances renewable energy production and storage.
- Learn more with Practice