Mppsc current affairs

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🔆 NPG Reviews Key Rail Projects to Boost Multimodal Connectivity 📍 Why in News? The Network Planning Group reviewed five major railway projects under PM GatiShakti to strengthen logistics and multimodal transport. 📍 Key Highlights (Ultra-Short) ✅ New 3rd & 4th lines in Andhra Pradesh, boosting freight to Chennai Port. ✅ Major upgrade for Konkan Railway → tunnels, crossings, safety & capacity enhancement. ✅ Additional rail lines in Nidadavolu–Duvvada corridor to ease coal, gypsum, fertilizer freight. ✅ Nagda–Mathura 3rd & 4th lines to expand Delhi–Mumbai freight & passenger capacity. ✅ All projects aim to cut travel time, support industrial hubs & improve supply-chain efficiency. 📍 Implications Strengthens national logistics, reduces congestion, and accelerates multimodal freight movement under PM GatiShakti. 📍 Mains Question How do railway capacity expansion projects contribute to India’s integrated logistics ecosystem? #GS3 #Infrastructure #Economy Join https://t.me/PIB_UPSC https://t.me/Upsc_4_economy

🔆 Science Briefs Snapshot 📍 Tree of Life Expanding Fast ✅ ~2 million named species catalogued ✅ Species discovery accelerating since 2015 ✅ Invertebrates & fish dominate new additions ✅ Global biodiversity may be 4× current estimates 📍 Premodern Humans & Fire ✅ 4-lakh-year-old evidence from England ✅ Heated sediments & stone tools found ✅ Suggests controlled fire use before modern humans ✅ Major impact on diet & social organisation 📍 Dugongs in the Persian Gulf ✅ Fossil evidence of dugongs for 20 million years ✅ “Sea cow engineering” shaped Gulf ecosystems ✅ Long-term seagrass dependence across climate shifts 📝 Mains Question: Recent scientific discoveries are reshaping our understanding of biodiversity, human evolution, and ecosystem engineering. Discuss with examples. #prelims #GS3 #science_and_technology #science_technology Join @PIB_UPSC @upsc_science_and_technology

WORLD INEQUALITY REPORT 2026

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🔆 National Energy Conservation Awards 2025 ✅ President Droupadi Murmu presented National Energy Conservation Awards ✅ Occasion: National Energy Conservation Day (14 December) ✅ Emphasis on behavioural change for energy efficiency ✅ Energy conservation = most eco-friendly & reliable energy source ✅ Saving energy means using energy wisely, not just using less ✅ Adoption of energy-efficient appliances & renewables stressed ✅ Benefits highlighted: lower emissions, clean air, water & ecosystem balance ✅ Energy saving seen as responsibility towards future generations #GS3 #Environment Join https://t.me/PIB_UPSC https://t.me/Upsc_4_environment

🔆 Methane Emissions in India: Are We Missing Them? ✅ Methane is 84× more potent than CO₂ over 20 years ✅ ~15% of India’s methane comes from the waste sector ✅ Satellite data shows emissions at key sites up to 10× higher than estimates ✅ Major hotspots: landfills & dumpsites (Delhi, Mumbai, Ahmedabad) ✅ Gap between satellite data & state inventories → underestimation ✅ Satellites (ISRO, CarbonMapper, SRON) enable hotspot detection ✅ Ground validation is essential to act on satellite signals ✅ Current governance is fragmented across urban bodies & regulators ✅ Need integrated system: satellite + ground data + local action ✅ Linking methane control with waste policy can deliver fast climate gains #GS3 #ClimateChange #Environment Join https://t.me/PIB_UPSC https://t.me/Upsc_4_environment

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