Pollution Mitigation Techniques

🏫 The best way to protect children from air pollution at school? Remove the pollution. Car-free school zones eliminate traffic emissions where children are most exposed. Cities from London to Bogotá are proving this works "no expensive technology needed." But while we work to reduce emissions at the source, children need protection now. This infographic shows 4 strategies, from source elimination to interim protection: → Car-free zones around schools (eliminate the source) → Safe walking routes through quiet streets (avoid exposure) → Green barriers between roads and schools (interrupt the pathway) → Clean air classrooms with filtration (protect while we fix the source) The goal is never the air purifier. The goal is a world where children don't need one. What is your city doing to reduce traffic pollution near schools? --- 📊 Based on evidence from WHO, USEPA, and scientific research 🎨 Infographic by Habitat Analytics #ChildHealth #AirQuality #SchoolHealth #CleanAir #PublicHealth World Health Organization C40 Cities Clean Air Institute Clean Air Fund World Resources Institute Clean Air Asia Clean Air for Schools Cities Alliance Gehl - Making Cities for People Bloomberg Cities Cities Today ISEE - International Society for Environmental Epidemiology Sustainable Development Solutions Network Planetizen Planetary Health Alliance The Lancet Countdown on Health and Climate Change Climate Central, Inc. EU Environment and Climate Climate Action, Sustainability and Resiliency - City and County of Denver City of Fort Collins Boulder County UN Environment Programme ONU Cambio Climático UN-Habitat (United Nations Human Settlements Programme)

Introducing 𝐋𝐄𝐙 𝐁𝐚𝐬𝐢𝐜𝐬 - An illustrative go-to guide for implementing Low Emission Zones (LEZs) in India! 🎉 In this publication, we at ITDP - India in collaboration with ICCT India are thrilled to share insights from our experience of supporting cities of Chhatrapati Sambhajinagar, Pimpri Chinchwad, and Pune in addressing air pollution by implementing low-emission zones. ✅ What does the publication include? - How cities can address tail-pipe emissions  - The benefits and types of LEZs  - An 8-step process including setting emission reduction targets, identifying locations, selecting enforcement methods, and more! ✅ Why is this strategy important? In the Pune Metropolitan Region, transport contributed to 46% PM 2.5 emission load. Further, PM 2.5 emissions increased dramatically by 91% from transport between 2012 and 2019. To mitigate this, Indian cities must embrace a comprehensive mobility strategy — increase investments to promote frequent public transport, walking and cycling, implement compact, transit-oriented city planning, accelerate a shift to cleaner fuel technologies, and also importantly #restrict polluting vehicles through strategies such as Low Emission Zones. ✅ What is our goal with this publication? Cities are taking action and we hope this step-by-step guide provides clarity and confidence to you — city officials, practitioners, and change-makers — looking to tackle this issue head-on. If you have any questions, feel free to reach out to us and we will be happy to address them. Together, let’s pave the way for cleaner air and vibrant, livable cities for generations to come! ✨ I am grateful to the amazing team that supported with the preparation of this publication:  Technical Research: Parin Visariya, Siddhartha Godbole, Aangi Shah, Pranjal Kulkarni, Rutuja Nivate (ITDP Team) I Vaibhav, and Moorthy Nair (ICCT Team)  Publication (visuals and text): Varsha Jeyapandi, Keshav Suryanarayanan (former team member)  Under guidance from: Amit Bhatt Aswathy Dilip Kashmira Dubash  A special thank you to our reviewers of the publication: Rutul Joshi and Anumita Roychowdhury We also hosted an engaging webinar yesterday with an amazing panel — Shashi Verma from Transport for London, Anju Goel from TERI - The Energy and Resources Institute, Dr. Sandra Wappelhorst from The International Council on Clean Transportation, Sree Kumar Kumaraswamy from WRI India, Parin Visariya from @ITDP India and Vivek Vaidyanathan from Artha Global — moderated by Kashmira Dubash. If you missed it, you can watch the recordign here: https://lnkd.in/g3wJp6yg #LowEmissionZones #AirPollution #SustainableCities  

🌍 𝗙𝗼𝗿 𝘆𝗲𝗮𝗿𝘀, 𝗜 𝗯𝗲𝗹𝗶𝗲𝘃𝗲𝗱 𝗴𝗿𝗼𝘂𝗻𝗱𝘄𝗮𝘁𝗲𝗿 𝗽𝗼𝗹𝗹𝘂𝘁𝗶𝗼𝗻 𝘄𝗮𝘀 “𝘀𝗼𝗺𝗲𝗼𝗻𝗲 𝗲𝗹𝘀𝗲’𝘀 𝗽𝗿𝗼𝗯𝗹𝗲𝗺." I assumed industries, governments, or experts would somehow take care of it. But the truth? Each of us contributes to the problem, often unknowingly, through daily habits, poor disposal practices, or simply by ignoring small leaks in the system. 💧 ⚡ 𝐆𝐫𝐨𝐮𝐧𝐝𝐰𝐚𝐭𝐞𝐫 𝐩𝐨𝐥𝐥𝐮𝐭𝐢𝐨𝐧 𝐢𝐬𝐧’𝐭 𝐚 𝐝𝐢𝐬𝐭𝐚𝐧𝐭 𝐜𝐫𝐢𝐬𝐢𝐬, 𝐢𝐭’𝐬 𝐚 𝐬𝐢𝐥𝐞𝐧𝐭 𝐨𝐧𝐞. Unlike surface water, we can’t always see when aquifers get contaminated. By the time we notice, it’s often too late, and reversing the damage costs millions. 💡 𝐓𝐡𝐞 𝐜𝐡𝐚𝐥𝐥𝐞𝐧𝐠𝐞 𝐢𝐬 𝐫𝐞𝐚𝐥, 𝐛𝐮𝐭 𝐬𝐨 𝐢𝐬 𝐨𝐮𝐫 𝐩𝐨𝐰𝐞𝐫 𝐭𝐨 𝐚𝐜𝐭. Whether it’s industries releasing effluents, communities mismanaging septic systems, or households dumping waste carelessly, we all play a role. And the good news? Practical, affordable, and proven solutions already exist. ✅ 𝐏𝐫𝐚𝐜𝐭𝐢𝐜𝐚𝐥 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡𝐞𝐬 𝐭𝐨 𝐑𝐞𝐝𝐮𝐜𝐞 𝐆𝐫𝐨𝐮𝐧𝐝𝐰𝐚𝐭𝐞𝐫 𝐏𝐨𝐥𝐥𝐮𝐭𝐢𝐨𝐧: 1️⃣ 𝐂𝐢𝐫𝐜𝐮𝐥𝐚𝐫 𝐑𝐚𝐢𝐧𝐰𝐚𝐭𝐞𝐫 𝐇𝐚𝐫𝐯𝐞𝐬𝐭𝐢𝐧𝐠: Collects & reuses rainwater, reducing dirty runoff and safely recharging aquifers. 2️⃣ 𝐏𝐞𝐫𝐦𝐞𝐚𝐛𝐥𝐞 𝐏𝐚𝐯𝐞𝐦𝐞𝐧𝐭𝐬: Surfaces that let rain soak in, filtering pollutants & preventing flash floods. 3️⃣ 𝐀𝐧𝐚𝐞𝐫𝐨𝐛𝐢𝐜 𝐃𝐢𝐠𝐞𝐬𝐭𝐞𝐫𝐬: Use microbes to treat waste, producing clean biogas while protecting groundwater. 4️⃣ 𝐃𝐞𝐜𝐞𝐧𝐭𝐫𝐚𝐥𝐢𝐳𝐞𝐝 𝐓𝐫𝐞𝐚𝐭𝐦𝐞𝐧𝐭 𝐏𝐨𝐧𝐝𝐬: On-site treatment (like factory ponds) prevents untreated wastewater discharge. 5️⃣ 𝐂𝐨𝐧𝐬𝐭𝐫𝐮𝐜𝐭𝐞𝐝 𝐖𝐞𝐭𝐥𝐚𝐧𝐝𝐬: Nature-based systems where plants remove pollutants naturally. 6️⃣ 𝐄𝐟𝐟𝐥𝐮𝐞𝐧𝐭 𝐓𝐫𝐞𝐚𝐭𝐦𝐞𝐧𝐭 𝐏𝐥𝐚𝐧𝐭𝐬 (𝐄𝐓𝐏𝐬): Industrial wastewater cleaned before reaching rivers or soil. 7️⃣ 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲 𝐄𝐝𝐮𝐜𝐚𝐭𝐢𝐨𝐧: Awareness campaigns stop harmful dumping of oils, chemicals & plastics. 8️⃣ 𝐒𝐚𝐧𝐝 𝐅𝐢𝐥𝐭𝐞𝐫𝐬: Low-cost filters trapping solids & pathogens before infiltration. 9️⃣ 𝐎𝐢𝐥 𝐒𝐞𝐩𝐚𝐫𝐚𝐭𝐨𝐫𝐬 & 𝐆𝐫𝐞𝐚𝐬𝐞 𝐓𝐫𝐚𝐩𝐬: Simple devices in kitchens & fuel stations to block fats, oils & hydrocarbons. 🔟 𝐒𝐞𝐩𝐭𝐢𝐜 𝐓𝐚𝐧𝐤 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Regular inspection & desludging prevents sewage leakage into aquifers. 🌱 What’s inspiring is that many of these are already being used in different parts of the world. 🌱 Some are low-cost, some high-tech, but all share one thing in common: prevention is always cheaper and cleaner than repair. 👉 What practical solutions are being used in your country, workplace, or community to reduce groundwater pollution? 👉 I’d love to hear real-world examples and lessons from the field. 💧🌍 #Sustainability #WaterSecurity #Groundwater #CircularEconomy #ClimateAction

Harnessing living organisms to restore polluted environments is a reminder that nature itself provides solutions to human-made challenges. Biotechnology’s ability to clean soil, water, and air highlights the intersection of science, sustainability, and economic feasibility. Bioremediation leverages microorganisms and plants to break down pollutants in soil, water, and air, offering a natural and effective approach to environmental cleanup. Microbial solutions, such as oil-degrading bacteria, help mitigate spills, while phytoremediation uses plants like sunflowers and poplars to absorb heavy metals. These methods are widely applied in industries where contamination is a concern, including agriculture, energy, and chemical production. However, success depends on understanding site-specific conditions, regulatory compliance, and long-term effectiveness. Strategic planning ensures these solutions remain cost-efficient, adaptable, and capable of meeting sustainability goals while reducing environmental risks. #Biotechnology #Bioremediation #Sustainability #EnvironmentalTech

Air pollution is killing us. Bangladesh can’t wait. Air pollution won’t fix itself. But here’s the truth: we don’t have to wait for governments to fix everything. Here’s what we can do RIGHT NOW (and what policymakers need to do next): 𝗦𝗵𝗼𝗿𝘁-𝗧𝗲𝗿𝗺 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 (𝗖𝗶𝘁𝗶𝘇𝗲𝗻-𝗟𝗲𝗱, 𝗜𝗺𝗺𝗲𝗱𝗶𝗮𝘁𝗲 𝗔𝗰𝘁𝗶𝗼𝗻𝘀) 1️⃣ Install low-cost air quality monitors → Crowdfund sensors and publish real-time data on social media. Awareness starts with knowing the problem. 2️⃣ Reduce vehicle idling → Run campaigns encouraging drivers to turn off engines. Small habits = big impact. 3️⃣ Enforce covering of construction sites → Citizens can report violations to authorities. Education + accountability = change. 4️⃣ Launch a viral awareness campaign → Highlight the health impacts of air pollution, especially on children and the elderly. Share personal stories. Demand action. 𝗠𝗲𝗱𝗶𝘂𝗺-𝗧𝗲𝗿𝗺 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 (𝗚𝗼𝘃𝗲𝗿𝗻𝗺𝗲𝗻𝘁 𝗜𝗻𝘁𝗲𝗿𝘃𝗲𝗻𝘁𝗶𝗼𝗻𝘀) Easy Wins: 5️⃣ Retrofit vehicles with catalytic converters → Subsidize retrofitting for clean air. 6️⃣ Ban unfit vehicles from the roads → Strict inspections = cleaner cities. 7️⃣ Reduce import duties on air purifiers → From 74% to 16% = affordable solutions for all. Harder Moves: 8️⃣ Install scrubbers in factories → Nighttime monitoring to catch illegal emissions. 9️⃣ Regulate brick kilns → Support a transition to cleaner technologies. 🔟 Modernize waste management → Waste-to-energy initiatives reduce harmful methane emissions. 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗦𝘆𝘀𝘁𝗲𝗺𝗶𝗰 𝗖𝗵𝗮𝗻𝗴𝗲𝘀 Develop industrial zones away from residential areas Strengthen environmental regulations with real enforcement → Create an anti-pollution task force. Involve experts, government organizations, and businesses.

Around 1 million people in the South Asia region die prematurely each year from exposure to polluted air. The associated economic damage is estimated at about 10 percent of regional GDP per year. The Indo-Gangetic Plains and Himalayan Foothills (IGP-HF) has the world’s highest ambient air pollution. Around noon today, PM2.5 levels averaged 105 μg/m³ in the IGP-HF region’s largest cities, seven times the 24-hour exposure considered safe by the WHO. But there are cost effective, practical solutions to cut pollution to the region’s shared target of annual average PM2.5 concentrations below 35 μg/m³ by 2035. These are laid out in the new book "A Breath of Change" by my colleagues Martin Heger, Marion Cros, and Ashley Pople. Figure 4 shows the four main sources of PM2.5 pollution: household cooking accounts for 33% of annual average PM2.5 pollution, industry (mainly boilers and brick kilns) and power plants for about 20%, transport for just under 20%, and agriculture for just over 10%. For each of these four sources, practical solutions are available. Here are just a few examples from the book: ➡️ To reduce pollution from household cooking, low-cost clean cookstoves are readily available, although this requires reliable access to fuels (at affordable prices) and to aftersales services. ➡️ To reduce pollution in industry, clean-burning brick kilns, boilers, and furnaces are available although this requires access to finance to cover large upfront cost. To reduce pollution in power plants, existing plants can be retrofitted with emission control systems, although they have considerable operating cost. ➡️ To reduce pollution in transport, fossil fuel standards and internal combustion vehicle standards as well as vehicle inspections can be tightened, although this requires robust enforcement. ➡️ To reduce pollution in agriculture, nitrogen fertilizer use can be reined in through the removal of fertilizer subsidies and crop burning bans can be enforced, although this requires political will.   Until pollution comes down, health and education systems need to step up to protect vulnerable people with early warning systems, public information, air purifiers in schools and hospitals, and support for mask-wearing. More data are here: https://lnkd.in/ejSe6VtX.