When Bay Curious listener Justin Hartung was growing up in Oakland, he remembers the Bay being blue. After moving to New York for college in the early 90s, and returning back to the East Bay a couple years ago, he noticed a big difference in the hue of the harbor. When did it get so green?

Additional Reading:

Feel Like the S.F. Bay Used to Be Bluer? You're Not Imagining It

Reported by Amanda Font. Bay Curious is made by Olivia Allen-Price, Jessica Placzek, Katie McMurran and Rob Speight. Additional support from Julie Caine, Paul Lancour, Kyana Moghadam, Suzie Racho, Ethan Lindsey and Patricia Yollin.