It is through science that we understand the world around us, and by understanding the world around us, we not only contribute to ourselves, our family, to our communities, etc. - you also contribute to the basic development and evolution of humanity.

No government in the world today has explicitly assigned the responsibility for planetary protection to any of its agencies.

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.

Rusty Schweickart Quotes