Guterres made the comments during his opening remarks at the annual UN General Assembly.
Virgin Galactic Holdings shares dropped over 3% on Friday.
Elon Musk paid a $10,000 deposit for a seat on an upcoming flight aboard one of Richard Branson's Virgin Galactic space flights.
On Sunday, billionaire entrepreneur Richard Branson went to the edge of space aboard his Virgin Galactic spacecraft. But he has had a history of near-death experiences prior to his trip to space.
Richard Branson, the founder of the Virgin Group, has expanded his businesses to 35 countries worldwide. He is currently one of the 500 richest people in the world thanks to his various endeavors.
Branson's company touted the July 11 space flight as the "beginning of a new space age."
2020 was big for space, and there's more to come in 2021.
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Nine months after Richard Branson’s space venture, Virgin Galactic, started trading on the New York Stock Exchange, the company unveiled its new spacecraft cabin and is conducting final test flights before accepting public passengers.
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Richard Branson has an estimated net worth of $4.5 billion. He is putting up Necker Island for sale to save the Virgin Group, which is suffering due to the pandemic.
Richard Branson space-bound in early 2021 says Virgin Galactic
Room with a view: Virgin Galactic gives peek at spacecraft cabin