Another Quote by Paul Johnson

Not to leave planet Earth would be like castaways on a desert island not trying to escape...Sending humans to other planets ... will shape…

— Stephen Hawking

Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change the environment…

— Stephen Hawking

“There is no escape. Eight billion humans won’t escape their issues by going to space. Our planet needs no terraforming, no cosmic radiation shielding,…

— Juan Pablo Quiñonez

As long as we are a single-planet species, we are vulnerable to extinction by a planetwide catastrophe, natural or self-induced. Once we become a…

— David Grinspoon

There are so many benefits to be derived from space exploration and exploitation; why not take what seems to me the only chance of…

— Isaac Asimov

There are plenty of people on Earth. It's not like the human race is going to disappear if a few people don't come back.…

— William Stone

It is the hope of those who work toward the breakout from planet Earth that the establishment of permanent, self-sustaining colonies of humans off-Earth…

— Gerard K. O'Neill

It is foolish to claim, as some do, that emigration into space offers a long-term escape from Earth's problems. Nowhere in our solar system…

— Martin Rees

Humans make the mistake of believing that it is their right to survive. Species die out on this planet all the time without anyone…

— Sting

If we drive our fellow species to extinction, we will leave a far more desolate planet for our descendants than the world we inherited…

— James Hansen

We should not knowingly allow any species or race to go extinct. And let us go beyond mere salvage to begin the restoration of…

— E. O. Wilson

To reconnect with nature is key if we want to save the planet.

— Jane Goodall