Read the latest thoughts and analysis on breakthrough solutions driving impact for a sustainable future
In a world where water is life's most essential resource, humanity is nearing a crisis that could significantly impact billions. As of 2025, around 4 billion people experience severe water scarcity for at least part of each year, driven by climate change, population growth, and unsustainable use. Groundwater depletion is accelerating, from North America and Europe to Chile, Iran, and Jordan, as prolonged droughts strain aquifers, rivers, and reservoirs.
Traditional water reserves have long been humanity's lifeline, but under modern pressures they are being drained faster than they can replenish, leaving communities, especially underprivileged ones, in dire straits. Global soil moisture has plunged since 2000, signaling a permanent shift in the Earth's water cycle, influenced by rising sea levels and changes in polar motion. The world already uses about 460 cubic kilometers more water each year than nature can supply. With even moderate global warming, that shortfall could grow by roughly 15%.
In developing regions, this translates to displacement. By the close of 2025, an estimated 1.8 billion people will live in absolute water scarcity zones, with two-thirds of the world facing water-stressed conditions. Underprivileged communities bear the brunt, often relying on contaminated or distant water sources, leading to health crises, economic stagnation, and physical insecurity. The fashion industry alone contributes to 20% of global wastewater, while agriculture and industry further strain reserves. We must rethink our approach, integrating innovative solutions to supplement dwindling stocks.
While the world grapples with this hardship and uncertainty, a powerful technological shift is underway that could transform water access for the world’s most vulnerable. Atmospheric Water Generators (AWGs), machines that condense or capture moisture from the atmosphere into pure, potable water, much like a dehumidifier but optimized for drinking. Powered by electricity, often from renewables like solar panels, these units can produce water anywhere with sufficient humidity, independent of rivers, wells, or pipelines. Unlike desalination or recycling, AWGs tap into an endlessly replenishing resource: the air holds about 13,000 trillion liters of water vapor at any time, far exceeding all easily accessible freshwater on Earth. While generating mineralized, bacteria-free water with zero waste, AWGs also reduce reliance on plastic bottles and promote self-sufficiency in arid or polluted areas.
But AWGs’ true power lies in convergence: they don't replace traditional reserves but augment them, creating a hybrid system for resilient water management by providing on-demand relief from water scarcity, as well as strategic reserves for nations with large (and sometimes vulnerable) water treatment systems. In water-stressed locales, AWGs alleviate pressure on aquifers by providing on-demand water for drinking, irrigation, or emergencies, allowing reserves to recover or be reserved for large-scale needs. This decentralized, modular approach minimizes infrastructure costs and logistical challenges, as units can be deployed rapidly without plumbing. Integrated with renewable energy sources, AWGs align with sustainability goals, reducing the environmental footprint of water extraction. In cooling towers or industrial settings, AWG water's purity enhances efficiency while conserving groundwater. As a "fourth major water source," following aquifers, fresh surface water, and desalination, AWGs could revolutionize management, especially during periods of uneven rainfall and climate variability. Policymakers can view this as a bridge, utilizing AWGs to buy time and restore reserves.
Nowhere is this convergence more impactful than in underprivileged communities, where water access is a daily struggle. In the Webb County, Texas community, a water-scarce rural area, AERstream’s AWGs produce up to 200 gallons of clean water daily, serving as a critical stopgap amid shortages. In Matehuala, Mexico, a semi-arid mining-polluted region, feasibility studies show AWGs harvesting 3.9–18 liters per day in peak months, providing arsenic-free water at affordable costs to marginalized rural and urban populations. This mitigates health risks from contaminated groundwater and preserves ecosystems by reducing over-extraction. Globally, companies like AERstream, WaterGen, and Hawana Water deploy AWGs in developing countries, aiding remote villages and disaster zones with no need for traditional sources. In the arid regions of Chile and Peru, activist Abel Cruz uses nets that capture moisture from fog, a type of atmospheric water generation, to supply water for communities where rivers have dried up.
Of course, challenges persist. AWGs require energy, which can be a hurdle in off-grid areas, but solar or wind integration mitigates this. Humidity dependence limits scalability in extremely dry climates, but advancements in materials and efficiency are closing these gaps. Up-front costs have also dropped dramatically, with production costs as low as $0.01 per liter, viable even for low-income regions. Subsidies or community models, as seen in NGO partnerships, improve economic viability further.
By investing in this hybrid future, governments, NGOs, and private sectors can ensure no community is left parched. Scaling AWGs in a number of forms will take private-public consortia with well aligned goals and expectations. Let's harvest the air's untapped resource to empower the vulnerable, fostering equity by bypassing unreliable infrastructure and building a world where water flows freely for all. The time for action is now; our water reserves and our humanity depend on it.
Fred Maxik – Dubai, UAE