Litigation may rise to the US Supreme Court.
If the seawall causes damage to public beaches, I say no.
More from the Santa Cruz Sentinel
https://www.santacruzsentinel.com/2024/01/07/ocean-waves-threatened-to-destroy-their-homes-state-officials-said-they-couldnt-build-a-sea-wall-how-their-lawsuit-could-reshape-californias-coastline-for-years-to-come/
