The Moon’s top layer of rocks known as Regolith has enough oxygen to sustain 8 billion people of Earth for nearly 100,000 years. How can we extract oxygen from Moon’s Regolith?
source https://www.jagranjosh.com/current-affairs/moons-top-layer-has-enough-oxygen-to-sustain-8-billion-people-on-earth-know-key-details-1637564275-1