🔆 New Jumping Spider Found in Southern India
📍 A new spider species, Spartaeus karigiri, was discovered in Karnataka and Tamil Nadu.
✅ Belongs to the Spartaeinae subfamily, known for intelligent hunting and web invasion.
✅ First time Spartaeus and Sonoita genera, seen only in Africa & Southeast Asia, are recorded in India.
✅ Found at Karigiri (Elephant Hill) and Villupuram district.
📍 A new spider species, Spartaeus karigiri, was discovered in Karnataka and Tamil Nadu.
✅ Belongs to the Spartaeinae subfamily, known for intelligent hunting and web invasion.
✅ First time Spartaeus and Sonoita genera, seen only in Africa & Southeast Asia, are recorded in India.
✅ Found at Karigiri (Elephant Hill) and Villupuram district.
🔆 Delhi boosts anti-air pollution efforts with tech-driven machines
✅ CM Rekha Gupta launched 460 water sprinklers, 70 road sweepers, and anti-smog guns.
✅ Aim: Mechanised cleaning before winter air worsens.
✅ CM called it a “technology-driven sanitation mindset.”
✅ Earlier ₹2,388 crore plan failed; new approval in May 2024 includes waste and road management.
✅ CM Rekha Gupta launched 460 water sprinklers, 70 road sweepers, and anti-smog guns.
✅ Aim: Mechanised cleaning before winter air worsens.
✅ CM called it a “technology-driven sanitation mindset.”
✅ Earlier ₹2,388 crore plan failed; new approval in May 2024 includes waste and road management.
🔆 New flowering plant discovered in Aravalis
✅ A new plant species, Portulaca bharat, was found in the Aravali hills near Jaipur.
✅ It is endemic to India and currently classified as “data deficient” by IUCN.
✅ Known for surviving extreme conditions, these plants have water-storing tissues.
✅ The discovery highlights hidden biodiversity and growing climate threats to such species.
#species
#prelims
Join @CSE_EXAM
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✅ A new plant species, Portulaca bharat, was found in the Aravali hills near Jaipur.
✅ It is endemic to India and currently classified as “data deficient” by IUCN.
✅ Known for surviving extreme conditions, these plants have water-storing tissues.
✅ The discovery highlights hidden biodiversity and growing climate threats to such species.
#species
#prelims
Join @CSE_EXAM
@Upsc_4_environment
Forwarded from CSE EXAM ( UPSC prelims mains) CAPF
🔆 Assessment of Climate Change Over the Indian Region
📝 Ministry of Earth Sciences (MoES), Government of India
📍 Rising Temperatures:
✅ India’s average temperature ↑ by 0.7°C since 1901; projected rise of 4.4°C by century end.
📍 Warming Oceans:
✅ Indian Ocean’s sea surface temperature ↑ by 1°C (1951–2015), exceeding global average.
📍 Shifting Rainfall Patterns:
✅ 6% decline in summer monsoon rainfall (1951–2015), especially in Indo-Gangetic Plains & Western Ghats.
📍 Increased Droughts:
✅ Decrease in monsoon rainfall → more frequent and widespread droughts since 1951.
📍 Rising Sea Levels:
✅ 3.3 mm/year sea level rise in the North Indian Ocean (1993–2017); matches global trend.
📍 Cyclone Activity:
✅ Significant decline in cyclone frequency in North Indian Ocean since mid-20th century.
📍 Warming Himalayas:
✅ 1.3°C rise in the Hindu Kush Himalayan region (1951–2014) with declining snowfall.
📝 Ministry of Earth Sciences (MoES), Government of India
📍 Rising Temperatures:
✅ India’s average temperature ↑ by 0.7°C since 1901; projected rise of 4.4°C by century end.
📍 Warming Oceans:
✅ Indian Ocean’s sea surface temperature ↑ by 1°C (1951–2015), exceeding global average.
📍 Shifting Rainfall Patterns:
✅ 6% decline in summer monsoon rainfall (1951–2015), especially in Indo-Gangetic Plains & Western Ghats.
📍 Increased Droughts:
✅ Decrease in monsoon rainfall → more frequent and widespread droughts since 1951.
📍 Rising Sea Levels:
✅ 3.3 mm/year sea level rise in the North Indian Ocean (1993–2017); matches global trend.
📍 Cyclone Activity:
✅ Significant decline in cyclone frequency in North Indian Ocean since mid-20th century.
📍 Warming Himalayas:
✅ 1.3°C rise in the Hindu Kush Himalayan region (1951–2014) with declining snowfall.
🔆 UNOC 2025: A Tidal Push for Ocean Protection
📍What is UNOC?
✅ The 3rd UN Oceans Conference held in France
✅ Goal: Speed up action on protecting high seas, curbing overfishing, and regulating deep-sea mining
📍The BBNJ Treaty (High Seas Treaty)
✅ Core treaty to protect oceans beyond national jurisdiction
✅ Needs 60 ratifications to become law — 56 countries onboard, India “in process”, U.S. still absent
✅ Aims to protect 30% of marine/coastal areas by 2030
📍Key Treaty Tools
✅ Create marine protected areas beyond national borders
✅ Enforce environmental impact assessments
✅ Share marine genetic resources fairly
✅ Build capacity in developing countries
📍The Big Challenge
✅ Who gets the commercial benefits from marine genetic resources?
✅ No clear equity mechanism yet in place
📍Who’s Paying to Protect the Oceans?
✅ EU: €1 billion for conservation and sustainable fishing
✅ New Zealand: $52 million for Pacific ocean governance
✅ Germany: €100 million to clean up underwater munitions
✅ Italy: €6.5 million for marine surveillance
✅ Canada: $9 million to fight ocean risks + launched coalition on noise pollution
✅ Spain: New MPAs covering 25% of its waters
✅ French Polynesia: Plans world’s largest MPA
📍What’s Next?
✅ A Conference of Parties (COP) for BBNJ is expected by late 2026
✅ Target: 70 ratifications by Sept 2025 to activate the treaty.
📍What is UNOC?
✅ The 3rd UN Oceans Conference held in France
✅ Goal: Speed up action on protecting high seas, curbing overfishing, and regulating deep-sea mining
📍The BBNJ Treaty (High Seas Treaty)
✅ Core treaty to protect oceans beyond national jurisdiction
✅ Needs 60 ratifications to become law — 56 countries onboard, India “in process”, U.S. still absent
✅ Aims to protect 30% of marine/coastal areas by 2030
📍Key Treaty Tools
✅ Create marine protected areas beyond national borders
✅ Enforce environmental impact assessments
✅ Share marine genetic resources fairly
✅ Build capacity in developing countries
📍The Big Challenge
✅ Who gets the commercial benefits from marine genetic resources?
✅ No clear equity mechanism yet in place
📍Who’s Paying to Protect the Oceans?
✅ EU: €1 billion for conservation and sustainable fishing
✅ New Zealand: $52 million for Pacific ocean governance
✅ Germany: €100 million to clean up underwater munitions
✅ Italy: €6.5 million for marine surveillance
✅ Canada: $9 million to fight ocean risks + launched coalition on noise pollution
✅ Spain: New MPAs covering 25% of its waters
✅ French Polynesia: Plans world’s largest MPA
📍What’s Next?
✅ A Conference of Parties (COP) for BBNJ is expected by late 2026
✅ Target: 70 ratifications by Sept 2025 to activate the treaty.
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🔆Scalable Solar-Driven Device for Affordable Green Hydrogen Production:
✅Developed a next-gen device that splits water molecules to produce green hydrogen using only solar energy.
✅Uses earth-abundant, low-cost materials, avoiding fossil fuels and rare expensive components.
✅Employs silicon-based photoanode with advanced n-i-p heterojunction architecture.
📍Technical Highlights:
✅Architecture: n-type TiO₂ / intrinsic Si / p-type NiO layers — enabling efficient charge separation & transport.
✅Fabrication: Using magnetron sputtering, an industry-scalable technique.
✅Achieved 600 mV surface photovoltage, low onset potential (11 VRHE).
✅Demonstrated long-term stability – 10 hours continuous operation with <4% performance drop.
✅Successfully scaled to 25 cm² photoanode size effective for large-scale hydrogen production.
📍Advantages of the Device:
✅High efficiency conversion
✅Purely solar-driven
✅Durable and stable
✅Cost-effective materials
✅Scalable design
📍Significance:
✅Decarbonizing industries
📍Advances India’s hydrogen mission
✅Supports net-zero targets
✅Global energy transition
✅Versatile applications
#gs3 #prelims
#environment #economy #energy
Join @PIB_UPSC
@upsc_4_environment
✅Developed a next-gen device that splits water molecules to produce green hydrogen using only solar energy.
✅Uses earth-abundant, low-cost materials, avoiding fossil fuels and rare expensive components.
✅Employs silicon-based photoanode with advanced n-i-p heterojunction architecture.
📍Technical Highlights:
✅Architecture: n-type TiO₂ / intrinsic Si / p-type NiO layers — enabling efficient charge separation & transport.
✅Fabrication: Using magnetron sputtering, an industry-scalable technique.
✅Achieved 600 mV surface photovoltage, low onset potential (11 VRHE).
✅Demonstrated long-term stability – 10 hours continuous operation with <4% performance drop.
✅Successfully scaled to 25 cm² photoanode size effective for large-scale hydrogen production.
📍Advantages of the Device:
✅High efficiency conversion
✅Purely solar-driven
✅Durable and stable
✅Cost-effective materials
✅Scalable design
📍Significance:
✅Decarbonizing industries
📍Advances India’s hydrogen mission
✅Supports net-zero targets
✅Global energy transition
✅Versatile applications
#gs3 #prelims
#environment #economy #energy
Join @PIB_UPSC
@upsc_4_environment
Science and technology is one of the Subjects which have high weightage, upsc prelims & mains GS 3
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Hindu, IE, PIB NEWS 👆
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Hindu, IE, PIB NEWS 👆
Forwarded from CSE EXAM ( UPSC prelims mains) CAPF
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Forwarded from CSE EXAM ( UPSC prelims mains) CAPF
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Forwarded from CSE EXAM ( UPSC prelims mains) CAPF
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