Q. Which of the following countries has built the world's biggest air purifier, a 328 feet high tower, to combat air pollution?

Article

• UPSC Polity - Preparation Tips, Book ad Author
• Indian Air Force Approves Production of Astra Mark 1 Missiles
• Blackout Alert: Major Civil Defence Mock Drill Across India on 7th May
• Barometers and Its Types
• Olympic Games Paris 2024 - 6 Medals Wins India - 1 Silver and 5 Bronze
• Nano Bubble Technology Launched at National Zoological Park, Delhi
• UPSC CDS Exam Preparation Guide: Complete Syllabus, Strategy & Tips for 2025
• Double-Decker Trains in India: A New Dimension to Travel
• IndiGo Appoints Willie Walsh as New CEO – Aviation Leadership Update 2026
• Rekha Gupta Becomes Delhi’s Chief Minister: Political Journey, Party, Caste, and Key Policies
• हेनले पासपोर्ट इंडेक्स 2026: भारत की रैंक, टॉप देश और परीक्षा के लिए महत्वपूर्ण तथ्य
• India 2025 Environment Report: Mixed Outlook on Challenges, Progress, and Sustainability
• City-Killer Asteroid 2024 YR4 on Potential Collision Course: 2.3% Impact Chance in 2032, India Among Risk Zones
• India e-Visa: 11 नए Entry Ports जोड़े गए
• Apple iPhone 18 Pro & iPhone 18 Pro Max: Big Upgrade Coming? Battery, Camera, Price in India, Design & Features
• India stopped the water of Ravi river to flow in Pakistan by our biggest project Shahpur Kandi Barrage
• PUBG Game- Player Unknown's Battlegrounds
• What is Russian Revolution?
• Agray Warship Built By Which Shipyard? GRSE Explained (Defense Current Affairs 2026)
• Rajsi Verma (Ullu Actress) – Biography, Web Series List, Career & Bold Roles
• Bangladesh’s Leadership Transition Poses Risks to India Relations
• Kwar Hydro Electric Project 540 MW: Jammu & Kashmir’s Major Hydropower Initiative
• Amaravati Quantum Valley: Andhra Pradesh’s Quantum Tech Hub & Innovation Center
• New Chief Justice of India 2025 — Justice Surya Kant
• Donald Trump Suggests Using Economic Force to Make Canada the 51st State: Analysis
• 🏅 Khelo India Youth Games 2025: बिहार के गोल्ड मेडल विजेताओं की पूरी सूची
• Important Days 2026: जनवरी से दिसंबर तक सभी महत्वपूर्ण दिवस
• India Becomes 3rd Most Powerful Country in Asia - Asia Power Index Report.
• Climate Risk Index (CRI) 2026: Key Insights, Rankings, and Exam-Focused Analysis
• CCPI 2026: India Ranks 23rd in Global Climate Change Performance Index
• Mecca Pact 2026: Saudi Arabia, Pakistan और Türkiye Agreement
• CMS Treaty Comes Under Which Organization? UNEP Explained (Current Affairs 2026)
• World Happiness Report 2026
• Responsible Nations Index 2026
• Network Readiness Index 2024: Global Insights on Digital Transformation
• World Risk Index 2026
• SCO Meeting in Islamabad, Pakistan – October 15-16, 2024
• Henley Passport Index 2026
• ‘One Nation One Subscription’ Scheme
• India Launches Campaign for UN Security Council Seat (2028–29) with 'SHANTI' Vision
• Uruguay's New President Yamandu Orsi
• After BRI Project Exit, Italy's PM Giorgia Meloni Signs Economic Pact In China
• Mpox (formerly known as monkeypox) vaccine recommend by WHO - MVA-BN and JYNNEOS
• Current Affairs for December 22, 2024: Sports Highlights, Literary Achievements, and Key Observances
• RBI Launches WhatsApp Channel for Verified Financial Updates and Risk Management
• Ex INS Guldar Transformed Into Underwater Museum
• Food Waste Index Report 2024 - United Nations Environment Programme (UNEP)
• NDDB Aims For One-Third Global Milk Production Said chairman Meenesh Shah
• DEADPOOL & WOLVERINE - Releasing On 25 July 2024
• Anurag Jain Appointed CEO of NITI Aayog
• Defence Ministry Launches ‘Rashtraparv’ Website and App - https://rashtraparv.mod.gov.in/
• UAE Cancels $20 Billion Rafale Deal with France – Pavel Durov's Telegram Release
• 🏆 Asia Cup 2025 – Key Points - Winner is India 👏
• President Joe Biden drops out his name from 2024 US presidential election, Biden proposed Kamala Harris name for the president election.
• Bangladesh Reservation Protest - Why is there an uproar in Bangladesh
• अप्रैल 2025 में 2.7% की आईआईपी वृद्धि - पूर्ण विश्लेषण, द हिंदू फॉर सीए/ IIP Growth of 2.7% in April 2025 - Full Analysis, The Hindu for CA
• Bangladesh sent note to India objecting Mamata Banerjee's 'shelter' stands
• Budget 2024
• Raisina Dialogue Conference 2024 – February 22, 2024
• Safe Return Mission: खाड़ी क्षेत्र से 52,000+ भारतीय नागरिकों की सुरक्षित वापसी 2026