Back to today’s briefing

Story perspectives

Revolutionary Coating Cools Buildings and Harvests Water

11/3/2025

50 10

Summary

Story summary

Researchers at the University of Sydney and Dewpoint Innovations developed a nano-engineered polymer coating that cools buildings and captures water without energy input.
The coating reflects up to 97% of sunlight and keeps surfaces up to 6 °C cooler than surrounding air.
In trials, it harvested dew for over 32% of the year, delivering 390 mL per square meter daily, as Dewpoint Innovations develops a water-based formulation for commercial use.

1 of 1

Story summary

Researchers at the University of Sydney and Dewpoint Innovations developed a nano-engineered polymer coating that cools buildings and captures water without energy input.
The coating reflects up to 97% of sunlight and keeps surfaces up to 6 °C cooler than surrounding air.
In trials, it harvested dew for over 32% of the year, delivering 390 mL per square meter daily, as Dewpoint Innovations develops a water-based formulation for commercial use.