Solar water splitting is one of the most direct ways to produce green hydrogen using sunlight. However, most photocatalysts ...

A fully biomass hydrogel made from coffee grounds and seaweed polymer turns black when wet, capturing 94% of sunlight to ...

Large-scale units, about the size of a 20ft shipping container, to harvest water from the air in arid regions are in development. They can generate up to 1000 litres of water a day.

Have a stack of old plant pots sitting in the garage, looking lonely and wondering if they will ever grow anything again? Reusing containers feels satisfying, saves money, and helps the planet breathe ...

Hydrophobic nanoparticles create fluorine-free, water-repellent cotton with micro- and nanoscale surface textures.

You probably think of cardboard as harmless clutter, but the way you stack, stash, and forget those boxes can quietly turn parts of your home into a roach nursery. When you leave cardboard in dark, ...

A Nobel Prize-winning scientist creates a machine capable of generating up to 1,000 liters of water per day from the air.

Understanding the make-up of asteroids also matters for the future of exploration: some asteroids may contain metals, minerals, and even water – potentially useful resources. But how can we tell what ...

About 2.2 billion people on the planet still lack access to clean drinking water. A new desert-tested device could help.