ucla professor to lead environmental bike expedition along california’s coast
Bixby Bridge at Big Sur. | Photo by Gustavo Gerdel.

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Alex Hall in LA Times: California’s coast is disappearing, and the debate over what to do about it is in full swing

Professor Alex Hall was on a panel about sea level rise hosted by Zócalo Public Square. Here is a highlight from the event:

Why are seas rising? Around 45% of sea level rise has occurred because the ice sheets and mountain glaciers are melting, Hall said. Another 45% is happening because the ocean has expanded as its waters have warmed. The final 10% comes from the drawdown of aquifers, such as taking water from the Central Valley of California to irrigate crops. That water eventually makes its way through streams and into the ocean.