Humans are possessed, to some degree, with the power of foresight. Yet we so often learn things the hard way, through disaster.

Thinking about the new epoch - often called the Anthropocene, or the age of humanity - challenges us to look at ourselves in the mirror of deep time, measured not in centuries or even in millennia, but over millions and billions of years.

Through space-based climate studies, my colleagues and I have learned that a stable and comfortable climate is not something to take for granted.

David Grinspoon Quotes