In the context of recent news about a planned Russia-China moon base: https://www.theguardian.com/science/2021/jun/25/russia-china-team-up-build-moon-base http

In the context of recent news about a planned Russia-China moon base: https://www.theguardian.com/science/2021/jun/25/russia-china-team-up-build-moon-base https://www.theguardian.com/science/2021/jun/25/russia-china... For more background on controlled ecological life support systems, check out what the Soviets achieved with BIOS-3 in the 1970s: https://en.wikipedia.org/wiki/BIOS-3 https://en.wikipedia.org/wiki/BIOS-3