Rusty Schweickart — American Astronaut born on October 25, 1935,

Russell Louis "Rusty" Schweickart is an American aeronautical engineer, and a former NASA astronaut, research scientist, U.S. Air Force fighter pilot, as well as a former business executive and government executive... (wikipedia)

There's no accepted global policy on what to do about asteroid impacts.
We're not passengers on Spaceship Earth. We're the crew.
I don't want people to spend their nights worrying about getting hit by asteroids. But I do want them to encourage their political leaders to invest in the insurance, which will allow us to prevent it from happening.
We have the capability - physically, technically - to protect the Earth from asteroid impacts. We are now able to very slightly and subtly reshape the solar system in order to enhance human survival.
Landing on the moon was a dream that millions of kids have had for hundreds of years.