David Grinspoon Quotes
As long as we can imagine a better path, of course we are obligated to seek it. This is why unwarranted pessimism about our future is actually irresponsible.
Citations
Grinspoon, David. Earth in Human Hands: Shaping Our Planet's Future. Grand Central Publishing, 2016.
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David H. Grinspoon (born 1959) is an American astrobiologist. He is Senior Scientist at the Planetary Science Institute and was the former inaugural Baruch S. Blumberg NASA/Library of Congress Chair in Astrobiology for 2012-2013.