San Francisco's Eco-Evolution

San Francisco's Golden Gate Bridge.

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The city skyline.

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A salad with guacamole and salsa at Cafe Gratitude, in Berkeley.

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The Federal Building in San Francisco, designed by Thom Mayne.

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The farmers' market in Berkeley.

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San Francisco mayor Gavin Newsom at City Hall.

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Inside San Francisco's Ferry Building Marketplace.

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Nemo Gould, a recent artist-in-residence at SF Recycling & Disposal.

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The San Francisco Bay.

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The Flora Grubb Gardens store and cafe, in Bayview, south of downtown.

From the article San Francisco