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Fellow multi-
Elon Musk, owner of X, echoes Mr Bezos'
. In 2021, he said: "We want to be a multi-planet
." Earlier this year, he warned that: "Population
due to low birth rates is a much bigger
to civilization than global warming." Mr Bezos can see people living in giant space stations. He said most
of these would visit Earth for
. He envisions Earth returning to its
environment because of factories built in space. He said they would exploit
on the moon or on
instead of Earth's.