Vital Signs monitors key trends in the Bay Area.

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Commute Mode Choice Image Credit: Flickr, Creative Commons (https://www.flickr.com/photos/24208255@N07/4607945874). Sea Level Rise Image Credit: iStock ID# 26185268. Commute Time Image Credit: iStock ID# 57180934. Traffic Congestion Image Credit: Noah Berger. Ozone Image Credit: Flickr [User: Pexels], Creative Commons (https://www.pexels.com/photo/nature-sky-sunny-clouds-3590/).