Physicist Stephen Hawking believes time is running out for humankind on Earth, and humans should focus their efforts on exploring new worlds in order to survive.
For years, Hawking has warned that humankind faces extinction from a slew of threats ranging from climate change to destruction from nuclear war and genetically engineered viruses. Hawking recently estimated that humans have 100 years left on Earth — if we’re lucky.
During a speech at Starmus, an arts and science festival in Norway, Hawking reiterated that humanity’s future is not on the planet it has treated so poorly, BBC reported.
“If humanity is to continue another million years, our future lies in boldly going where no one else has gone before,” Hawking said, BBC reported.
Hawking noted that leaving Earth can not be the mission of one country, but a collective effort.
"To leave Earth demands a concerted global approach, everyone should join in,” he said. “We need to rekindle the excitement of the early days of space travel in the sixties."
He suggested the world’s nations should work together to send astronauts to the Moon by 2020 and Mars by 2025. Furthermore, there should be plans in place to build a lunar base within 30 years.
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