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. — David Grinspoon Cynical Copy Share Image
I'd been politically active ever since my parents wheeled me in a stroller in a 'ban the bomb' march in Boston in 1963. — David Grinspoon Copy Share Image
The mature Anthropocene begins when we acquire the ability to live sustainably and become a lasting presence on this world. — David Grinspoon Ability Copy Share Image
What I'm interested in is the conversations going on about the Anthropocene and what it means to view ourselves as a part… — David Grinspoon Communication Copy Share Image
There's no question to my mind that saving our civilization and many other species is more important than our ability to do… — David Grinspoon Ability Copy Share Image
I think that an advanced planetary civilization will modify their own planets to be more stable, to prevent asteroid impacts and dangerous… — David Grinspoon Civilization Copy Share Image
What we should really be thinking about is what it would look like for a truly intelligent technological species to be interacting… — David Grinspoon Copy Share Image
Earth's biosphere gave birth to humans and our thoughts, which are now reshaping its planetary cycles. A planet with brains? Fancy that. — David Grinspoon Biosphere Copy Share Image
One of the weird things about modern physics is that we do find there are apparently these other dimensions that we don't… — David Grinspoon Experience Copy Share Image
It is said that Mahatma Gandhi, when asked about Western civilization, remarked, 'I think it would be a good idea.' That's how… — David Grinspoon Earth Copy Share Image
Literally, my earliest memory, my earliest vivid memory, is the Apollo 11 landing on the Moon. Yeah, I was in fourth grade,… — David Grinspoon Copy Share Image
When I first went to college, I went into physics, and my goal was to help perfect nuclear fusion so I could… — David Grinspoon College Copy Share Image
As long as we are a single-planet species, we are vulnerable to extinction by a planetwide catastrophe, natural or self-induced. Once we… — David Grinspoon Catastrophe Copy Share Image
What I wonder most about the Anthropocene is not when did it start - but when, and how, will it end? Will… — David Grinspoon Awareness Copy Share Image
It's OK to pursue speculative ideas because we don't want to be too cozy and safe and assume that we know everything… — David Grinspoon Cozy Copy Share Image
Mars does not have an atmosphere and does not have a magnetic field today, so the planet doesn't have the protection from… — David Grinspoon Earth Copy Share Image
We need to have a vision of the world we want to create so that we can see ourselves as collaborators with… — David Grinspoon Copy Share Image
Radiation is one of the important factors in evolution. It causes mutation, and some level of mutation is actually good for evolution. — David Grinspoon Biology Copy Share Image
We're going to stop looking at Earth from orbit because we don't like what we are seeing and the conclusions that leads… — David Grinspoon Earth Copy Share Image
As a young planet, Venus was losing hydrogen rapidly to space. The oceans boiled off, and after some period of time, perhaps… — David Grinspoon Copy Share Image
The story of our species is one of overcoming existential risk through new forms of cooperation and innovation. — David Grinspoon Cooperation Copy Share Image
As a kid, I became a total SF geek. It started in the 5th grade with Asimov's 'Lucky Starr' series of what… — David Grinspoon Asimov Copy Share Image
If we gutted NASA Earth Science, it wouldn't be NOAA or some other agency that would take the lead. It would be… — David Grinspoon Copy Share Image
Earth is going to lose its oceans in the future, just as Venus did in the past. How long planets retain their… — David Grinspoon Future Copy Share Image
It's quite possible that the end of us will not be the end of the Earth. Even if we really screw things… — David Grinspoon Civilization Copy Share Image
Earth is a stunningly lovely planet for so many reasons. Among these is the wondrous presence of curious, artful, inventive humanity. — David Grinspoon Copy Share Image
Even as a kid enthralled with science fiction, I wondered about the role of people in the long-term evolution of the Earth,… — David Grinspoon Biology Copy Share Image
Part of the point of SETI has always been a search for answers about our own cosmic potential and destiny. If 'they'… — David Grinspoon Destiny Copy Share Image
The future peopling of Mars is much more than a scientific endeavor. It is a step of historic and spiritual importance for… — David Grinspoon Future Copy Share Image
I think Pluto has to be considered among the places in the solar system that are possible homes for life. — David Grinspoon Copy Share Image
Among the plausible niches for extraterrestrial life in our solar system, the clouds of Venus are among the most accessible and the… — David Grinspoon Copy Share Image
We're going to get off fossil fuels, no question. We may not do it quickly enough to avoid some pain, and I'm… — David Grinspoon Copy Share Image
I intend to apply the perspective of astrobiology, which is a deep-time way of looking at life on Earth, towards the question… — David Grinspoon Astrobiology Copy Share Image
The basic ability to not wipe oneself out, to endure, to use your technological interaction with the world in such a way… — David Grinspoon Ability Copy Share Image
The planet Mars - crimson and bright, filling our telescopes with vague intimations of almost-familiar landforms - has long formed a celestial… — David Grinspoon Alien Copy Share Image
Astrobiology is a great point of contact for science outreach. The public is naturally interested in extra-terrestrial life. Astrobiology provides an accessible… — David Grinspoon Access Copy Share Image
Astrobiology is the science of life in the universe. It's an attempt to scientifically deal with the question of whether or not… — David Grinspoon Alone Copy Share Image
There is a history of thinking about space science from an environmental ethics perspective. And part of what I want to do… — David Grinspoon Experience Copy Share Image
NASA, and all the other spacefaring nations of the world, have agreed to a set of 'planetary-protection' principles, aimed at preventing the… — David Grinspoon Earth Copy Share Image
We have all this very clever technology and all these abilities to manipulate the world in all these ways, yet we are… — David Grinspoon Clever Copy Share Image
