David Grinspoon

There is a history of thinking about space science from an environmental ethics perspective. And part of what I want to do is turn that back and use that experience to see if it reflects how we think about the Earth.

— 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 environmental factors that can affect a planet's habitability and how they change over time.

— David Grinspoon

Ever since the environmental movement was sparked by photos of the whole Earth taken by astronauts onboard Apollo Lunar Modules, I've seen planetary exploration as an extension of a reverence and care for Earth.

— David Grinspoon

Ever since the environmental movement was sparked by photos of the whole Earth taken by astronauts onboard Apollo Lunar Modules, I've seen planetary exploration as an extension of a reverence and care for Earth.

— David Grinspoon

Our most valuable resources - creativity, communication, invention, and reinvention - are, in fact, unlimited.

— David Grinspoon

There is a history of thinking about space science from an environmental ethics perspective. And part of what I want to do is turn that back and use that experience to see if it reflects how we think about the Earth.

— David Grinspoon

The future peopling of Mars is much more than a scientific endeavor. It is a step of historic and spiritual importance for the human race.

— David Grinspoon

Part of the point of SETI has always been a search for answers about our own cosmic potential and destiny. If 'they' are out there, it means that there may be hope for us.

— David Grinspoon

We definitely don't want to go through another Ice Age or another natural cycle of global warming. Both happen over a long period of time. It would be disastrous for our civilization, and not just for us but many other species.

— David Grinspoon

Our most valuable resources - creativity, communication, invention, and reinvention - are, in fact, unlimited.

— David Grinspoon