--- title: "Meaning & Key Takeaway of: As long as we are a single-planet…" description: "\"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 multi..." image: "https://sms4smile.com/quotes/i/7f2/david-grinspoon-5141_catastrophe_as-long-as-we-are-a-single-planet-specie_1072061.jpg" --- # As long as we are a single-planet species, we are… ![“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 multiplanet species, our chances to live long and prosper will take a huge leap skyward.” quote by David Grinspoon](https://sms4smile.com/quotes/i/7f2/david-grinspoon-5141_catastrophe_as-long-as-we-are-a-single-planet-specie_1072061.jpg) [Download](https://sms4smile.com/quotes/i/7f2/david-grinspoon-5141_catastrophe_as-long-as-we-are-a-single-planet-specie_1072061.jpg) [Open image](https://sms4smile.com/quotes/i/7f2/david-grinspoon-5141_catastrophe_as-long-as-we-are-a-single-planet-specie_1072061.jpg) > “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 multiplanet species, our chances to live long and prosper will take a huge leap skyward.” [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Human survival depends on becoming a multiplanet species to avoid planetary catastrophes. **In simple terms:** Living on multiple planets reduces extinction risk. Key Takeaway Invest in space settlement. Themes survival future technology risk exploration Mood concerned optimistic Type visionary policy When to use this quote - policy planning - investment decisions - public advocacy - educational outreach Key Concepts planetary risk existential security space colonization Questions to Reflect On - What steps can societies take now to support space colonization? - How do we balance Earth stewardship with off‑world ambitions? A Different Perspective Multiplanetary expansion faces massive cost and political hurdles. ★ ★ ★ ★ ★ No ratings yet [Catastrophe](https://sms4smile.com/quotes/about/catastrophe/) [Chance](https://sms4smile.com/quotes/about/chance/) [Extinction](https://sms4smile.com/quotes/about/extinction/) [Leap](https://sms4smile.com/quotes/about/leap/) [Moon](https://sms4smile.com/quotes/about/moon/) [Self](https://sms4smile.com/quotes/about/self/) [Star gazing](https://sms4smile.com/quotes/about/star-gazing/) ## Related quotes > [Once we become a multiplanet species, our chances to live long and prosper will take a huge leap skyward.](https://sms4smile.com/quotes/david-grinspoon/once-we-become-a-multiplanet-species-our-chances-to-live-long-and/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [The diversity of life on Earth, generally, is astonishing. But despite those large numbers, it's also important to recognize that every species, one way…](https://sms4smile.com/quotes/sylvia-earle/the-diversity-of-life-on-earth-generally-is-astonishing-but-despite/) [Sylvia Earle](https://sms4smile.com/quotes/author/sylvia-earle/) > [Humans need to be a multiplanet species.](https://sms4smile.com/quotes/elon-musk/humans-need-to-be-a-multiplanet-species/) [Elon Musk](https://sms4smile.com/quotes/author/elon-musk/) > [To find anything comparable with our forthcoming ventures into space, we must go back far beyond Columbus, far beyond Odysseus-far, indeed, beyond the first…](https://sms4smile.com/quotes/arthur-c-clarke/to-find-anything-comparable-with-our-forthcoming-ventures-into-space/) [Arthur C. Clarke](https://sms4smile.com/quotes/author/arthur-c-clarke/) > [Armstrong, sitting in the commander's seat, spacesuit on, helmet on, plugged into electrical and environmental umbilical's, is a man who is not only a…](https://sms4smile.com/quotes/norman-mailer/armstrong-sitting-in-the-commander-s-seat-spacesuit-on-helmet-on/) [Norman Mailer](https://sms4smile.com/quotes/author/norman-mailer/) > [To get your name well enough known that you can run for a public office, some people do it by being great lawyers or…](https://sms4smile.com/quotes/john-glenn/to-get-your-name-well-enough-known-that-you-can-run-for-a-public/) [John Glenn](https://sms4smile.com/quotes/author/john-glenn/) > [For reasons of national security and out of consideration for some people still alive I have omitted certain material. Some of this material cannot…](https://sms4smile.com/quotes/harry-s-truman/for-reasons-of-national-security-and-out-of-consideration-for-some/) [Harry S. Truman](https://sms4smile.com/quotes/author/harry-s-truman/) > [Space, the final frontier. These are the voyages of the starship Enterprise. Its five-year mission: to explore strange new worlds, to seek out new…](https://sms4smile.com/quotes/gene-roddenberry/space-the-final-frontier-these-are-the-voyages-of-the-starship/) [Gene Roddenberry](https://sms4smile.com/quotes/author/gene-roddenberry/) > [It seemed to be a necessary ritual that he should prepare himself for sleep by meditating under the solemnity of the night sky... a…](https://sms4smile.com/quotes/victor-hugo/it-seemed-to-be-a-necessary-ritual-that-he-should-prepare-himself-for/) [Victor Hugo](https://sms4smile.com/quotes/author/victor-hugo/) > [And as we know now, and as I pointed out many times, the great plume of fire at the bottom of the Space Shuttle…](https://sms4smile.com/quotes/dana-rohrabacher/and-as-we-know-now-and-as-i-pointed-out-many-times-the-great-plume-of/) [Dana Rohrabacher](https://sms4smile.com/quotes/author/dana-rohrabacher/) > [Imagine we could accelerate continuously at 1 g-what we're comfortable with on good old terra firma-to the midpoint of our voyage, and decelerate continuously…](https://sms4smile.com/quotes/carl-sagan/imagine-we-could-accelerate-continuously-at-1-g-what-we-re/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [Life's Highs... 1. Laughing hysterically 2. Dancing your heart out 3. Star gazing 4. Shopping 5. Going to the beach 6. Listening to the…](https://sms4smile.com/quotes/ritu-ghatourey/life-s-highs-1-laughing-hysterically-2-dancing-your-heart-out-3-star/) [Ritu Ghatourey](https://sms4smile.com/quotes/author/ritu-ghatourey/) > [It was a mind-blowing experience, it really was-absolutely an awesome thing. . . . As I got to the top I released a bag…](https://sms4smile.com/quotes/anonymous/it-was-a-mind-blowing-experience-it-really-was-absolutely-an-awesome/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [Whoever it was who searched the heavens with a telescope and found no God would not have found the human mind if he had…](https://sms4smile.com/quotes/george-santayana/whoever-it-was-who-searched-the-heavens-with-a-telescope-and-found-no/) [George Santayana](https://sms4smile.com/quotes/author/george-santayana/) > [We want to explore. We're curious people. Look back over history, people have put their lives at stake to go out and explore ...…](https://sms4smile.com/quotes/eileen-collins/we-want-to-explore-we-re-curious-people-look-back-over-history-people/) [Eileen Collins](https://sms4smile.com/quotes/author/eileen-collins/) ## More by David Grinspoon > [I think the best SF writers are very aware of what we, in the scientific community, are doing, thinking, and discovering.](https://sms4smile.com/quotes/david-grinspoon/i-think-the-best-sf-writers-are-very-aware-of-what-we-in-the/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [If we gutted NASA Earth Science, it wouldn't be NOAA or some other agency that would take the lead. It would be the Chinese…](https://sms4smile.com/quotes/david-grinspoon/if-we-gutted-nasa-earth-science-it-wouldn-t-be-noaa-or-some-other/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [When you think about alien intelligences making art, you then have to think about what art is and how bound up it is in…](https://sms4smile.com/quotes/david-grinspoon/when-you-think-about-alien-intelligences-making-art-you-then-have-to/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [What if life is not carbon-based? Can life exist as a gas or a plasma? Could planets or stars in some sense be alive?…](https://sms4smile.com/quotes/david-grinspoon/what-if-life-is-not-carbon-based-can-life-exist-as-a-gas-or-a-plasma/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [What I'm interested in is the conversations going on about the Anthropocene and what it means to view ourselves as a part of Earth's…](https://sms4smile.com/quotes/david-grinspoon/what-i-m-interested-in-is-the-conversations-going-on-about-the/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [I do comparative studies of climate evolution, and the interactions between planetary atmosphere and surfaces and their radiation environment, and try to understand the…](https://sms4smile.com/quotes/david-grinspoon/i-do-comparative-studies-of-climate-evolution-and-the-interactions/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [I'd been politically active ever since my parents wheeled me in a stroller in a 'ban the bomb' march in Boston in 1963.](https://sms4smile.com/quotes/david-grinspoon/i-d-been-politically-active-ever-since-my-parents-wheeled-me-in-a/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [Through space-based climate studies, my colleagues and I have learned that a stable and comfortable climate is not something to take for granted.](https://sms4smile.com/quotes/david-grinspoon/through-space-based-climate-studies-my-colleagues-and-i-have-learned/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [We have all this very clever technology and all these abilities to manipulate the world in all these ways, yet we are faced with…](https://sms4smile.com/quotes/david-grinspoon/we-have-all-this-very-clever-technology-and-all-these-abilities-to/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [The planet Mars - crimson and bright, filling our telescopes with vague intimations of almost-familiar landforms - has long formed a celestial tabula rasa…](https://sms4smile.com/quotes/david-grinspoon/the-planet-mars-crimson-and-bright-filling-our-telescopes-with-vague/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [Certainly for me, as an astrobiologist, science fiction has played an important role. One of the quandaries of our field is that we are…](https://sms4smile.com/quotes/david-grinspoon/certainly-for-me-as-an-astrobiologist-science-fiction-has-played-an/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [Time and time again, our species has escaped existential threats by reinventing ourselves, finding new skills not coded in our genes to survive new…](https://sms4smile.com/quotes/david-grinspoon/time-and-time-again-our-species-has-escaped-existential-threats-by/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [I think that an advanced planetary civilization will modify their own planets to be more stable, to prevent asteroid impacts and dangerous climate fluctuations.](https://sms4smile.com/quotes/david-grinspoon/i-think-that-an-advanced-planetary-civilization-will-modify-their-own/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [Responsible global behaviour is ultimately an act of self-preservation of, by, and for the global beast that modern technological humanity has become.](https://sms4smile.com/quotes/david-grinspoon/responsible-global-behaviour-is-ultimately-an-act-of-self/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [Venus and Mars are our next of kin: they are the two most Earth-like planets that we know about. They're the only two other…](https://sms4smile.com/quotes/david-grinspoon/venus-and-mars-are-our-next-of-kin-they-are-the-two-most-earth-like/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) [Explore all 103 David Grinspoon quotes ](https://sms4smile.com/quotes/author/david-grinspoon/) ## More Catastrophe quotes > [Many individuals spend a considerable portion of their lifetimes in terror of one imagined catastrophe or another. The classic is that your immortal soul…](https://sms4smile.com/quotes/l-neil-smith/many-individuals-spend-a-considerable-portion-of-their-lifetimes-in/) [L. Neil Smith](https://sms4smile.com/quotes/author/l-neil-smith/) > [I was asked the other day if I would be interested in the Nobel Prize, but I think that for me it would be…](https://sms4smile.com/quotes/gabriel-garc-a-m-rquez/i-was-asked-the-other-day-if-i-would-be-interested-in-the-nobel-prize/) [Gabriel Garcia Marquez](https://sms4smile.com/quotes/author/gabriel-garc-a-m-rquez/) > [“..the sense of a catastrophe perpetually invoked and avoided creates a rapture in whose depths horror and pleasure coincide...”](https://sms4smile.com/quotes/michel-leiris/the-sense-of-a-catastrophe-perpetually-invoked-and-avoided-creates-a/) [Michel Leiris](https://sms4smile.com/quotes/author/michel-leiris/) > [To you, the people of Flint, I say, as I have before, I am sorry and I will fix it. No citizen of this…](https://sms4smile.com/quotes/rick-snyder/to-you-the-people-of-flint-i-say-as-i-have-before-i-am-sorry-and-i/) [Rick Snyder](https://sms4smile.com/quotes/author/rick-snyder/) > [Dark influences from the American past congregate among us still. If we are a democracy, what are we to make of the palpable elements…](https://sms4smile.com/quotes/harold-bloom/dark-influences-from-the-american-past-congregate-among-us-still-if/) [Harold Bloom](https://sms4smile.com/quotes/author/harold-bloom/) > [It's the hardest thing on earth to like yourself, and then when you do, it's a catastrophe. I mean, the people I know who…](https://sms4smile.com/quotes/mike-nichols/it-s-the-hardest-thing-on-earth-to-like-yourself-and-then-when-you-do/) [Mike Nichols](https://sms4smile.com/quotes/author/mike-nichols/) > [We are upsetting the atmosphere upon which all life depends. In the late 80s when I began to take climate change seriously, we referred…](https://sms4smile.com/quotes/david-suzuki/we-are-upsetting-the-atmosphere-upon-which-all-life-depends-in-the/) [David Suzuki](https://sms4smile.com/quotes/author/david-suzuki/) > [“War is catastrophe. It breaks families in irretrievable pieces. But those who are gone are not necessarily lost.”](https://sms4smile.com/quotes/ruta-sepetys/war-is-catastrophe-it-breaks-families-in-irretrievable-pieces-but/) [Ruta Sepetys](https://sms4smile.com/quotes/author/ruta-sepetys/) > [The biggest catastrophes that we've witnessed rarely come from information that is secret or hidden. It comes from information that is freely available and…](https://sms4smile.com/quotes/margaret-heffernan/the-biggest-catastrophes-that-we-ve-witnessed-rarely-come-from/) [Margaret Heffernan](https://sms4smile.com/quotes/author/margaret-heffernan/) > [All the parties of capitalist society, all its moralists and all its sycophants will perish beneath the debris of the impending catastrophe. The only…](https://sms4smile.com/quotes/leon-trotsky/all-the-parties-of-capitalist-society-all-its-moralists-and-all-its/) [Leon Trotsky](https://sms4smile.com/quotes/author/leon-trotsky/) > [When the regime changed in Japan, the Japanese changed; Russians too can change, as long as the conditions for it are present once again.…](https://sms4smile.com/quotes/vladimir-voinovich/when-the-regime-changed-in-japan-the-japanese-changed-russians-too/) [Vladimir Voinovich](https://sms4smile.com/quotes/author/vladimir-voinovich/) > [And in the racial climate of this country today, it is anybody's guess which of the 'extremes' in approach to the black man's problems…](https://sms4smile.com/quotes/malcolm-x/and-in-the-racial-climate-of-this-country-today-it-is-anybody-s-guess/) [Malcolm X](https://sms4smile.com/quotes/author/malcolm-x/) > [“But I guess it never is what you worry over that comes to pass in the end. The real catastrophes are always different -…](https://sms4smile.com/quotes/karen-thompson-walker/but-i-guess-it-never-is-what-you-worry-over-that-comes-to-pass-in-the/) [Karen Thompson Walker](https://sms4smile.com/quotes/author/karen-thompson-walker/) > [“How someone wants to explain catastrophe isn't important--that's what I know now. When shit happens, it doesn't really matter what asshole is responsible.”](https://sms4smile.com/quotes/catherine-lacey/how-someone-wants-to-explain-catastrophe-isn-t-important-that-s-what/) [Catherine Lacey](https://sms4smile.com/quotes/author/catherine-lacey/) > [The Author of nature has not given laws to the universe, which, like the institutions of men, carry in themselves the elements of their…](https://sms4smile.com/quotes/john-playfair/the-author-of-nature-has-not-given-laws-to-the-universe-which-like/) [John Playfair](https://sms4smile.com/quotes/author/john-playfair/) [Browse all 656 Catastrophe quotes ](https://sms4smile.com/quotes/about/catastrophe/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "As long as we are a single-planet species, we are vulnerable to extinction by a planetwide catastrophe, natural or self-induced. 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