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David Grinspoon Quotes


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Quotes by David Grinspoon

Showing 21-30 of 100 Quotes by David Grinspoon

We have to learn to become a new kind of entity on this world that has the maturity and the awareness to handle being a global species with the power to change our planet and use that power in a way that is conducive to the kind of global society we want to have.

~David Grinspoon

Topics: Awareness Become Being Change Conducive Entity Global Handle Kind Learn Maturity New New Kind Our Our Planet Planet Power Society Species Use Want Way World

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The story of our species is one of overcoming existential risk through new forms of cooperation and innovation.

~David Grinspoon

Topics: Cooperation Existential Forms Innovation New New Forms Our Overcoming Risk Species Story Through

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We don't know that Venus had oceans, but there's every reason to believe it did.

~David Grinspoon

Topics: Believe Did Every Had Know Oceans Reason Venus

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I'm a strong advocate of new missions to Venus.

~David Grinspoon

Topics: Advocate Missions New Strong Venus

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As a young planet, Venus was losing hydrogen rapidly to space. The oceans boiled off, and after some period of time, perhaps 600 million years, there was no surface water.

~David Grinspoon

Topics: After Hydrogen Losing Million Million Years Oceans Off Perhaps Period Planet Rapidly Some Space Surface Time Venus Water Years Young

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Earth is going to lose its oceans in the future, just as Venus did in the past. How long planets retain their oceans is a function of distance from the sun, all other things being equal.

~David Grinspoon

Topics: Being Did Distance Earth Equal Function Future Going How In The Past Just Long Lose Oceans Other Past Planets Retain Sun Things Venus

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I'm an astrobiologist, and I come from a planetary science background, so in a very broad sense, I study the evolution of planetary environments.

~David Grinspoon

Topics: Background Broad Come Environments Evolution Planetary Science Sense Study Very

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Mars does not have an atmosphere and does not have a magnetic field today, so the planet doesn't have the protection from radiation that our atmosphere and magnetic fields provide us on Earth.

~David Grinspoon

Topics: Atmosphere Does Earth Field Fields Magnetic Mars Our Planet Protection Provide Radiation Today Us

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What I wonder most about the Anthropocene is not when did it start - but when, and how, will it end? Will it end? Or is it possible that our own growing awareness of our role on Earth can itself play a pivotal role in shaping the outcome toward one that we would desire?

~David Grinspoon

Topics: About Awareness Desire Did Earth End Growing How Itself Most Our Outcome Own Pivotal Play Possible Role Shaping Start Toward Will Wonder Would I Wonder

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Now, humans have become a dominant force of planetary change and, thus, we may have entered an eon of post-biological evolution in which cognitive systems have gained a powerful influence on the planet.

~David Grinspoon

Topics: Become Change Cognitive Dominant Entered Evolution Force Gained Humans Influence May Now Planet Planetary Powerful Systems Thus Which

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Biography

Nationality: American

Type: Scientist

Born: Unknown

Links

Find David Grinspoon on Amazon

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