109 Quotes by David Grinspoon

The mature Anthropocene begins when we acquire the ability to live sustainably and become a lasting presence on this world.

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.

Once we become a multiplanet species, our chances to live long and prosper will take a huge leap skyward.

Fixing global warming is more important than astronomy.

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.

Mars does not belong to 'America,' nor to Earth, nor to human beings.

When you think about alien intelligences making art, you then have to think about what art is and how bound up it is in the nature of consciousness. Why do we make art? And what can we expect to have in common with other creatures in universe?

As Earth's climate changes, we can expect more destructive hurricanes. As sea level and surface temperatures rise, more solar energy is trapped in the atmosphere, revving up the hydrological cycle of evaporation and precipitation and sometimes manifesting in terrifying storms.

Whenever I see a nighttime picture of Earth from space, with its glowing lights, I am stirred by its beauty.