Newslink: This Space Station Air Recycler Could Help Astronauts Breathe Easier on Mars

A new life-support system that can recycle breathable air is being installed at the International Space Station, promising to dramatically decrease the amount of water that needs to be brought to the orbital outpost to make oxygen.

https://www.space.com/42362-space-station-air-recycler-for-mars-astronauts.html