NASA offers a $3 million prize to solve the recycling problem of human waste in space

Waste recycling crucial for future Moon missions
NASA's Artemis mission will establish Moon habitats. Waste needs to be reused in space for long-duration missions. It is not feasible to return waste to Earth. NASA emphasises that waste has to be treated and recycled in orbit.

In a public statement, NASA indicated that future missions require improved solutions. These have to handle various streams of waste with minimal risk to the environment. The aim is to establish closed-loop systems that enable long-term survival.

This vision includes the LunaRecycle Challenge. It is open to scientists, engineers, and teams. They are challenged to design efficient systems for energy consumption that will work in lunar environments. The systems should turn waste into safe, useful materials.

Waste solutions can be Earth-friendly too
Though concentrated on the Moon, the project might assist Earth. According to NASA, such systems would assist disaster-affected or rural communities. These technologies might create a difference where there is inappropriate waste management.

Some benefits aimed at are:

• Converting waste into water, nutrients, or energy
• Decreasing environment threats in close, small areas
• Developing transportable solutions for low-resource or remote environments

Entries under consideration for the $3 million award
The challenge had closed its application period on 31 March 2025. Entries are now being considered by a panel of experts. NASA will shortlist the best ideas for further development. The prize winner will get a $3 million award — approximately £2.4 million. There can also be potential future collaboration with NASA teams.

This effort represents a turning point in the way space waste is considered. No longer mere trash, it could one day be used as a source of life support. NASA's work is paving the way for longer, more sustainable missions — on the Moon and beyond.