NASA just recycled 98% of all astronaut pee and sweat on the ISS (engineers are thrilled)
Yes, the achievement hinges on better recycling tech for astronaut pee.
What will happen to the International Space Station when it is retired?
"Things get old in space. Things start to show their age. There have been some cracks discovered that were letting air out, causing leaks"
Other ISS partners start planning for extension to 2030
“We’re very happy to see the announcement from the US side. That’s helping the decision process”