Atmospheric water generation (extracting water from air in humid climates)

Water scarcity is becoming one of the most pressing challenges of our time. While the planet has the same amount of water it always had, we're using it faster than natural systems can replenish it, and climate change is making water cycles more unpredictable.

Nearly half the world's population already experiences severe water scarcity for at least one month each year. Meanwhile, aging infrastructure loses billions of gallons through leaks, and 2 billion people still lack access to safely managed drinking water at home. Agriculture consumes 70% of global freshwater, often inefficiently, while extreme weather events — both floods and droughts — are becoming more frequent and severe.

This isn't just about inconvenience. Water stress drives conflict, forces migration, threatens food security, and holds back economic development. The technologies in this category work to stretch our water supplies further, deliver clean water more efficiently, and help communities adapt to an increasingly unpredictable water future.

Clean water isn't just about turning on a tap. Even when water is available, it's often contaminated with bacteria, chemicals, or heavy metals that cause disease and death. Rural communities, refugee camps, and urban slums are particularly vulnerable.

Traditional water treatment plants are expensive to build and operate, requiring skilled technicians and reliable electricity. Many communities need smaller-scale, simpler solutions that can work in challenging conditions while still producing genuinely safe drinking water.

Technologies that literally pull drinking water out of the air by condensing atmospheric moisture. While energy-intensive, these systems can provide a reliable water source in humid regions where groundwater is contaminated or unavailable.