Start here · Essential guide
The Challenges of Space-Based Food Production and Distribution
An overview of how crews are fed in space today, why fresh food is hard to grow, store and deliver, and what longer missions may require.
Space and Science
Food, Water and Waste in Orbit
How crews could grow food and recycle resources in space.
The Challenges of Space-Based Food Production
Why growing crops in spaceflight is hard: managing light, water and root zones, choosing soil substitutes, and getting seeds to grow without normal gravity.
The Challenges of Space-Based Food Production and Distribution for a Sustainable Future
How reusing water and nutrients could make food production in space lasting, why no complete loop exists yet, and what Earth might learn from the effort.
The Challenges of Space-Based Recycling
Why every kilogram counts in orbit and how a space station recovers water and air, from urine processing to oxygen generation and carbon dioxide removal.
The Challenges of Space-Based Recycling and Waste Management
How spacecraft handle trash, human waste and packaging, where it ends up, and why disposal is harder than it sounds with no gravity and no garbage truck.
The Challenges of Space-Based Recycling and Waste Management for a Sustainable Future
Can recycling in space teach us to cut waste on Earth? A realistic look at the circular economy, what spacecraft systems show, and where the comparison breaks down.
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