Water quality in San Francisco Bay is affected by urbanization and industrialization of the Bay Area. View these segments to learn

• about the mercury and other toxins that still threaten the water quality of San Francisco Bay.
• about the five main threats to water quality in the Bay.
• how the future of San Francisco Bay is undetermined due to climate change, sea level rise, oil spills and other events.

Download the Viewing Guide for pre- and post-viewing discussion questions, activities, and additional resources to use with students.

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