San Francisco, California

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The City and County of San Francisco is the fourth most populous city in California and the 14th most populous city in the USA, with a 2006 estimated population of 744,041. One of the most densely populated major cities in the US, San Francisco is part of the much larger San Francisco Bay Area, which is home to approximately 7.2 million people. The city is located on the tip of the San Francisco Peninsula, with the Pacific Ocean to the west, San Francisco Bay to the east, and the Golden Gate to the north.
=== Places, projects and networks ===
 Sustainable San Francisco on WiserEarth
*San Francisco Green Drinks
References
Category:San Francisco