American - Scientist | 1959 -
There are other planets besides the Earth and Mars. I'd like to remind you that studying Venus is vital to understanding life elsewhere.
David Grinspoon
LifeUnderstandingYouEarthMars
We need to have a vision of the world we want to create so that we can see ourselves as collaborators with future generations in the project of shaping it.
FutureVisionWorldCreateWantSee
Even cynical, selfish people will realize, one way or the other, that it's not in their self-interest to act in self-destructive ways.
PeopleSelfishWillWayRealizeAct
The story of our species is one of overcoming existential risk through new forms of cooperation and innovation.
InnovationOvercomingStoryNewRisk
Time and time again, our species has escaped existential threats by reinventing ourselves, finding new skills not coded in our genes to survive new challenges not previously encountered.
TimeChallengesSurviveFindingNew
Among the plausible niches for extraterrestrial life in our solar system, the clouds of Venus are among the most accessible and the least well explained.
LifeCloudsSolarSystemWellMost
Radiation is one of the important factors in evolution. It causes mutation, and some level of mutation is actually good for evolution.
GoodEvolutionImportantLevelSome
Titan has rivers and lakes of liquid methane and ethane, methane weather systems of clouds and storms that mirror Earth's hydrologic cycle, and seasonal cycles that rival Earth's in complexity.
MirrorCloudsWeatherEarthStorms
There is a real danger of unintended consequences, of encouraging people to give up. Pessimism, if it becomes a habit, can reinforce a narrative of unstoppable decline. If there is nothing we can do, that releases us from our obligations.
HabitPeopleConsequencesNothingUp
There was a long history of people believing there was life on Venus. It was about the same size as Earth. It had clouds. It was commonly believed it was tropical - wet, hot and steamy.
LifeHistoryCloudsPeopleLongHot
Whenever I see a nighttime picture of Earth from space, with its glowing lights, I am stirred by its beauty.
BeautyI AmSpacePictureEarthSee
Our most valuable resources - creativity, communication, invention, and reinvention - are, in fact, unlimited.
CommunicationCreativityResources
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