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    Thinkwalks explore the overlap of urban and natural San Francisco. Life in the city, don't forget, is life in a natural environment. The valleys and waterways may be filled in or paved over, but they still exist. Clues to their influence are all around us—especially when nature burps. Earthquakes, rainstorms, even the ever-present wind are forces still shaping the land and our habits. Cultural and political forces have heaved against the land forms, too—and for thousands of years! Human history is clearly part of nature's big picture. Come scrutinize evidence about what really transpired. Let's look at how SF got to be what it is. Thinkwalks are a chance to understand natural patterns in the broadest sense so we can shape our collective future wisely.

Recently on Thinkwalks Blog...

New SF Lake Discovered

April 28th, 2011

Or at least rediscovered… A 25-acre Phelps’ Lake in San Francisco’s Panhandle? I’ve just solved a mystery described in my previous research on the south area of Divisadero street. Back when it was a winding path through the dunes, Devisadero, as it was known, connected the Mission Dolores to the Presidio. The incorrect story had  more »