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[caption id="attachment_816" align="aligncenter" width="529"] Image © Josiah Mackenzie[/caption]

A Spare the Air Alert is in effect Saturday, June 29, 2013, in the San Francisco Bay Area. Residents are encouraged to drive less and reduce their energy use tomorrow and every day so pollution levels are lower, preventing health alerts when temperatures are high. For more information go to www.sparetheair.org.