Water Management Innovations

A new 20-year analysis of satellite data shows that the Old Continent’s freshwater reserves are shrinking, silently and steadily. Satellites that weigh the Earth by tracking gravitational changes reveal 👉 Northern Europe is getting wetter. 👉 Southern and central Europe are drying fast. And what’s disappearing fastest is the water we don’t see — groundwater, the strategic reserve that keeps our taps running, our crops alive, and our economies functioning. This is #climatechange in real time. No models, no projections — observations from space. Researchers warn that Europe is barreling toward a 2°C world, and the consequences are already here: • Heavier downpours but longer, harsher dry spells • Winter recharge seasons shrinking • More runoff, less infiltration • Deep aquifers declining across the EU • Increasing pressure on public water supply and agriculture Groundwater is the backbone of Europe’s resilience. In 2022 alone: 🔹 62% of all public water supply came from groundwater 🔹 33% of agricultural demand relied on it 🔹 Groundwater abstractions increased by 6% despite lower overall water use Farmers across southern Europe are watching reservoirs drop while fruit and vegetable yields continue to fall. These are the same dynamics long documented across the Global South, now hitting Europe with unprecedented force. The old assumptions no longer hold. Europe is not water-secure. Infrastructure alone will not save us. New reservoirs arriving in 20 years are not a solution for a crisis happening today. We need: ✅ Radical efficiency — cutting leakage, modernising networks, accelerating water-smart design ✅ Water reuse at scale — separating drinking water systems from non-potable recycled streams ✅ Nature-based solutions — restoring wetlands, aquifers, and natural recharge ✅ Smarter climate-informed water governance — using the best science to guide every decision ✅ A mindset shift — rainwater harvesting, circular water systems, and demand-side management must become standard, not exceptional read the article in The Guardian 👇 https://lnkd.in/eeTsyMve

𝗡𝗼 𝗽𝗶𝗽𝗲𝘀. 𝗡𝗼 𝗽𝘂𝗺𝗽. 𝗡𝗼 𝗲𝗹𝗲𝗰𝘁𝗿𝗶𝗰𝗶𝘁𝘆. 𝗔𝗻𝗱 𝘆𝗲𝘁, 𝗰𝗹𝗲𝗮𝗻 𝗱𝗿𝗶𝗻𝗸𝗶𝗻𝗴 𝘄𝗮𝘁𝗲𝗿 𝗳𝗹𝗼𝘄𝘀. Meet the Warka Tower. A 30-foot structure made from bamboo, mesh, and pure ingenuity. It looks like art. But it’s survival tech designed by Arturo Vittori for remote communities where water is scarce, in countries like Ethiopia, Togo, Haiti, India, Madagascar, and Colombia. 💧 It works without wires. 🌀 It uses dew, fog, and rain. 🌬️ It runs on nothing but air, gravity, and good design. How? Moisture condenses on a biodegradable mesh, Water droplets collect and flow into a basin below, In optimal conditions, it produces up to 100 litres per day. That’s enough to change everything: ✔️ Reduce waterborne disease ✔️ Free women and children from multi-hour water treks ✔️ Allow kids to attend school instead of fetching jerrycans ✔️ Restore dignity in places where water once meant walking, waiting, and risking And the best part? Built from local materials, Assembled by local hands, Designed to leave zero environmental footprint. It’s not a one-size-fits-all solution. It needs humidity. It needs maintenance. But that’s the point: 𝗜𝘁’𝘀 𝗿𝗲𝗮𝗹. 𝗜𝘁’𝘀 𝘄𝗼𝗿𝗸𝗶𝗻𝗴. 𝗔𝗻𝗱 𝗶𝘁’𝘀 𝗵𝗮𝗽𝗽𝗲𝗻𝗶𝗻𝗴 𝗻𝗼𝘄. This is what happens when innovation meets humility. When the design is adapted to the land, rather than forced onto it. 💬 What’s one low-tech solution you’ve seen that deserves more attention? Sources: Warka Water Inc Water Credits: Iraj Janali, Pradeep Gupta 🔗 Follow Guillaume Burstert for real-world energy solutions. ♻️ Help your network: Like, comment, and repost.

💭Capturing water directly from the air. In many corners of the world, clean water isn’t just a convenience, it’s a daily struggle. Remote communities often rely on long treks or unreliable sources for something as basic as drinking water. But what if the solution wasn’t under the ground or through pipes, but already floating all around us - in the air? 🤔 Imagine a 30-foot structure, elegantly built with bamboo and eco-friendly mesh, quietly pulling moisture from the air be it dew, mist, or light rain. This is the Warka Water Tower, a remarkable solution developed by architect Arturo Vittori and his team at Architecture and Vision. Created for off-grid, water-scarce regions, this innovation delivers clean water without needing electricity. ✅With the ability to generate up to 100 liters of drinkable water per day, these towers have already made an impact in countries like Ethiopia, Haiti, Madagascar, Colombia, Brazil, and India places where water access is a constant challenge. Why it matters❓ ✅Eco-Friendly: Operates using natural atmospheric conditions, no power source required. ✅Cost-Effective: Built with locally available materials like bamboo and mesh, reducing expenses. ✅ Flexible Design: Easy to transport, build, and scale across remote communities. ✅Life-changing: Brings clean water access, supporting better health and community strength. A powerful reminder that sometimes, the answer is floating right above us. Video Credit: Warka Water #waterharvesting #architecture #tower #projects #innovation #design #engineering #technology #sustainability #solutions

💧 𝗜𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝗼𝗻 𝗶𝗻 𝗶𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗮𝗹 𝘄𝗮𝘁𝗲𝗿 𝗶𝘀 𝗮𝗰𝗰𝗲𝗹𝗲𝗿𝗮𝘁𝗶𝗻𝗴 — but the market remains fragmented, opaque, and underfunded. Over the past months at Visionaries Tomorrow, we’ve been digging into the startup and scaleup landscape to understand where real technical and commercial differentiation is emerging. Today, we’re sharing a curated snapshot of companies building next-gen solutions across the industrial water value chain — from real-time monitoring to selective separation and bio-based treatment. Below is a non-exhaustive overview of companies working on differentiated solutions across: 🔹 𝗣𝗵𝘆𝘀𝗶𝗰𝗮𝗹 𝘀𝗲𝗽𝗮𝗿𝗮𝘁𝗶𝗼𝗻 (reverse osmosis, filtration, electrodialysis, distillation) 🔹 𝗖𝗵𝗲𝗺𝗶𝗰𝗮𝗹 & 𝗲𝗹𝗲𝗰𝘁𝗿𝗼𝗰𝗵𝗲𝗺𝗶𝗰𝗮𝗹 𝘁𝗿𝗲𝗮𝘁𝗺𝗲𝗻𝘁 (oxidation, PFAS, resource recovery) 🔹 𝗕𝗶𝗼𝗹𝗼𝗴𝗶𝗰𝗮𝗹 𝘀𝗲𝗽𝗮𝗿𝗮𝘁𝗶𝗼𝗻 (membrane bioreactors, microorganisms) 🔹 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴 & 𝗮𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 built for operational relevance 🔹 𝗠𝗼��𝘂𝗹𝗮𝗿 𝘁𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 for industrial deployment 📊 Many of these technologies address urgent water-related needs in chemicals, energy, food, and manufacturing — from tightening regulations and rising water costs to critical material recovery and circularity goals. We’re particularly excited about: ✅ 𝗦𝗲𝗹𝗲𝗰𝘁𝗶𝘃𝗲 𝗲𝗹𝗲𝗰𝘁𝗿𝗼𝗰𝗵𝗲𝗺𝗶𝘀𝘁𝗿𝘆 enabling cost-effective water reuse ✅ 𝗥𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗺𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴 for intelligent operations ✅ 𝗕𝗶𝗼𝗹𝗼𝗴𝘆-𝗱𝗿𝗶𝘃𝗲𝗻 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 gaining traction in hard-to-treat streams 👉 If you're building or backing in this space, we’d love to exchange thoughts. And if your startup isn’t included here, drop us a message — we’ll keep iterating.

Curb-Cut Rain Basins: turn street runoff into free deep watering This is one of the smartest “set-and-forget” water hacks for neighborhoods and front yards: a small curb opening directs stormwater off the street into a shallow planted basin around trees and shrubs. Instead of racing to the drain, that water slows down, soaks in, and supports healthier, cooler streets. What’s happening (simple) Rain flows along the gutter. A curb-cut lets water enter a planted basin. The basin spreads water out, traps sediment, and infiltrates it into the soil. Extra water keeps moving down the gutter through a safe overflow route. Why it works so well Deep-waters trees without a hose Reduces puddling and localized flooding Helps prevent erosion by slowing runoff Supports stronger canopy trees (shade + cooler streets) Key details that make it successful 1) Make it shallow and wide A bowl-shaped basin infiltrates better than a deep hole. 2) Protect the trunk Keep mulch and standing water away from the tree trunk (leave a dry “donut” around the base). 3) Build an overflow Always include a lower “spillway” so water exits safely during heavy storms. 4) Improve infiltration Loosen compacted soil and mix in compost where appropriate. Top with mulch to reduce crusting and evaporation. 5) Choose tough plants Use plants that tolerate both wet and dry periods (native grasses, sedges, and drought-tough perennials are often perfect). Important cautions Don’t direct water toward foundations or basements. Avoid areas with frequent oil leaks or heavy contamination. Check local rules—some cities require permits for curb cuts. If you tell me your soil type (clay/sandy/mixed) and how steep your street is, I can suggest an easy basin size and a short plant list that fits your climate.

Water matters by RJ - 7 "India’s Urban Water Plan: Cross Your Fingers & Hope It Rains?" (Or we could invest in centralized and decentralized water management. Just saying!) Rethinking Urban Water Management in India – A Centralized & Decentralized Approach As Indian cities expand, water scarcity is no longer a distant threat—it’s here. Climate change, pollution, and outdated infrastructure are pushing our resources to the brink. The solution? A hybrid model combining centralized and decentralized water management. 1️⃣ Centralized & Decentralized Solutions – A Balanced Approach • Centralized wastewater treatment plants (WWTPs) handle large urban loads efficiently (e.g., Delhi, Mumbai). • Decentralized solutions like on-site treatment, rainwater harvesting, and greywater recycling bridge the gaps in areas with limited infrastructure. • Where can both models work together? o Residential & commercial hubs: On-site plants provide recycled water for flushing, cooling, and irrigation. o Industrial zones: Large-scale WWTPs manage effluents, while local reuse systems reduce freshwater dependency. o Smart cities & new developments: Integrated water plans optimize freshwater use and maximize reuse. 2️⃣ Smarter, Water-Efficient Indian Cities • Reducing Demand: Mandating wastewater reuse for horticulture, landscaping, and non-potable applications. • Minimizing Loss: NRW (Non-Revenue Water) reduction through IoT-based leak detection & smart meters to track usage & billing. • Harnessing Nature: Rain gardens, bioswales, and permeable pavements enhance infiltration & reduce runoff. 3️⃣ Wastewater as a Resource – Reuse Beyond Irrigation Recycled wastewater isn’t just for greenery—it’s a strategic water source: 🚽 Flushing (dual plumbing) – Reducing fresh water use in residential & commercial buildings. ❄️ Cooling towers – Major water savings in malls, IT parks, and industrial facilities. 🌿 Horticulture & landscaping – Freshwater should be used only where necessary. ⚙️ Surplus water – Upgrading treated wastewater to potable standards for industrial & trade applications. 💧 Freshwater allocation – Optimized at Horticulture (essential use) + Loss (~5%), ensuring maximum reuse. India’s urban water strategy must shift from scarcity to sustainability. A mix of policy, technology, and responsible usage can redefine how cities use and conserve water. Let’s make every drop count! Data: As of July 2024 #WaterResilience #UrbanWaterManagement #SmartCities #WastewaterReuse #SustainableIndia #NRW #WaterBilling

Water & Circular Economy 💧 Cities are growing quickly, and by 2050, many more people will live in urban areas. This growth, along with the challenges from climate change, means we need to think differently about how we use and manage water. One way to address this is through the Circular Economy approach. The Water in Circular Economy and Resilience (WICER) Framework gives us a clear plan for using water in a way that's smart, sustainable, and good for everyone. ▪ Deliver Resilient and Inclusive Services: Concentrated on future-ready water services that champion resilience and inclusivity. These services ensure everyone, especially the vulnerable, can access water sustainably. ▪ Design Out Waste and Pollution: Advocates for a shift to resource-efficient water and sanitation systems. The goal is to produce more with less, close resource loops, and strengthen resilience. ▪ Preserve and Regenerate Natural Systems: Beyond minimizing waste, this focuses on rejuvenating our natural water systems, emphasizing their inherent value and the need for restoration, with nature-based solutions taking center stage. ▪ Central to this framework is its alignment with the world's Sustainable Development Goals (SDGs). Specifically, the WICER framework significantly advances the aims of SDG 6 on water and sanitation, while concurrently supporting targets under SDGs 1.4, 3.9, 7.2, 7.3, 8.4, 11, 12.2, 12.4, 12.5, 13.1, 14.1, and 15.1. By adopting the principles of the Circular Economy, we can implement systematic approaches that prioritize water reuse, reduce waste, and optimize existing resources. This not only ensures the long-term availability of water but also fosters sustainable development, benefiting both people and the planet. By integrating these principles, communities worldwide can thrive, ecosystems can be protected, and we can ensure a balanced coexistence with our environment. Source: Water in Circular Economy and Resilience (WICER) Framework #water #circularity #sustainable #resilient #waste #regenerate #inclusive #efficient #economy #nature #sustainability

🔻 When Deep Foundations Become the Silent Heroes A few days ago in Bangkok, a dramatic ground collapse occurred due to massive leakage from underground sewer pipelines. The soil underneath an active building literally washed away within hours. Standing in front of this scene, one question comes to mind: Why didn’t the whole building collapse? The answer lies beneath the surface — in the deep concrete piles. Even though some piles cracked under unexpected tensile stresses and soil loss, the majority continued to carry the structure’s weight through end bearing and skin friction. They acted as anchors, resisting settlement and holding the building above ground despite the voids opening below. Now imagine this same building resting on shallow foundations only: the entire superstructure would have sunk into the collapse zone almost instantly. This case is a powerful reminder for us as geotechnical engineers: In flood-prone or water-sensitive areas, piles are not optional — they are essential. Proper pile design must account for tension resistance, load redistribution, and long-term soil–structure interaction. What looks like “overdesign” on paper often becomes the only safeguard against catastrophic failures. At the end of the day, piles don’t just carry loads — they carry safety, resilience, and trust in our built environment. #GeotechnicalEngineering #DeepFoundations #Piles #CivilEngineering #SoilMechanics #FoundationDesign #StructuralSafety #InfrastructureResilience #EngineeringLessons #FloodResilience

One of the most pressing issues facing agriculture in the US is the rapid and continued depletion of ground water in our most important food producing regions. Compounding this is the degradation of farmland's ability to capture, store and cycle rainwater. The Ogallala Aquifer supports 30% of US irrigation and has lost 286 million acre-feet since agricultural development. Portions of Kansas and Texas are on pace for complete depletion in 20-50 years. Natural recharge is under one inch annually and full replenishment would take 6,000 years. California's Central Valley, producing 25% of national food supply, pumps groundwater 5x faster than its rate of recharge. The land has subsided up to 28 feet, permanently destroying aquifer storage capacity. Yet this damage pales in comparison to the disruption of the small water cycle. The small water cycle depends on vegetation recycling moisture through evapotranspiration, which generates over 50% of precipitation in most river basins. This "green water" accounts for 4-5x more agricultural water use than the "blue water" drawn from aquifers and rivers. When soil is disturbed and left bare, this pump fails. Bare agricultural soil reaches temperatures 24°C higher than vegetated areas, creating heat islands that repel rainfall and eliminate evaporative cooling. US agricultural soils have lost 50% of original organic matter over that last century. Each 1% increase in organic matter allows soil to hold 20,000 additional gallons of water per acre. Losing 3-4% organic matter means farmland now stores tens of thousands fewer gallons per acre, reducing drought resilience and increasing runoff. Conventional agriculture accelerates this by collapsing soil aggregates through excessive tillage, leaving fields bare, applying synthetic fertilizers that accelerate organic matter decomposition, disrupting soil microbiology with pesticide applications and compacting soil with heavy machinery. Unlike aquifer depletion, the small water cycle can be repaired rapidly. Continuous living roots maintain the pore structure for infiltration. Growing roots open channels, decaying roots leave voids, and root exudates feed aggregate-building microorganisms. A functional and diverse soil microbiome produces biological glues that create water-stable aggregates. These networks increase hydraulic conductivity while enhancing water storage. Permanent soil cover reduces evaporation, prevents raindrop impact from sealing surfaces, and maintains biological activity. Integrated biological diversity drives the feedback loops between soil carbon, water retention, and climate regulation. Diverse rotations, livestock integration, and perennial crops restore landscape-scale water cycling. Aquifer depletion, in large part, cannot be undone. But restoring the small water cycle offers an immediate opportunity to rebuild and maintain agricultural water security.

#Stormwater Solutions in the #GCC: From Challenge to Opportunity The GCC region, traditionally known for its arid climate, has recently experienced unprecedented rainfall events, underscoring the urgent need for innovative stormwater management strategies. Last year, some GCC countries faced challenges with stormwater: - In April 2024, the UAE experienced its heaviest rainfall in 75 years, with up to 259 mm recorded over three days. Dubai International Airport, one of the world's busiest, saw more than 1,500 flights delayed or canceled due to flooding. - Oman received approximately 180 mm of rainfall in some regions, leading to significant flooding and loss of life. - Bahrain faced severe flooding after heavy thunderstorms, recording its second-highest rainfall event in history. These events highlight the pressing need to reconceptualize stormwater—not as a nuisance but as a valuable resource. Adopting a zero-liquid discharge mindset ensures that every drop of rain is captured, treated, and reused, turning potential hazards into assets. Innovative Solutions are becoming more effective: - #SmartDrainage systems that use AI to predict rainfall patterns and adjust water flow in real-time to prevent urban flooding. - Permeable pavements that allow rainwater to seep into the ground, reducing surface runoff and replenishing groundwater reserves. - Stormwater harvesting systems that collect and store rainwater for irrigation, cooling, or industrial use, reducing reliance on desalination. - Underground water tunnels, inspired by systems in Singapore, that can divert excess water away from urban centers. - #NaturebasedSolutions such as restoring natural waterways and expanding green spaces to enhance the land’s ability to absorb and manage rainwater. Beyond #Flood Prevention: A robust stormwater strategy offers multiple benefits. It strengthens water security by reducing dependence on desalination. It lowers infrastructure repair costs caused by repeated flood damage. It also opens up economic opportunities in urban planning, water technology, and #infrastructure resilience. Rain is becoming an integral part of the GCC’s climate reality. The choice is between reacting to floods or proactively designing cities that harness stormwater as an asset. With the right investments, the region can lead in innovative water management. Amer Lahham Filippo Ghizzoni Elias Al Akiki Ghadi Turk Hussein Khalife Kearney Kearney Middle East and Africa #CenterforSustainableFuture #IdeaoftheDay