No provision of this division is a limitation on any of the following:
(a) Except as otherwise limited by state law, on the power of a city or county or city and county to adopt and enforce additional regulations, not in conflict with this act, imposing further conditions, restrictions, or limitations with respect to any land or water use or other activity which might adversely affect the resources of the coastal zone.
(b) On the power of any city or county or city and county to declare, prohibit, and abate nuisances.
(c) On the power of the Attorney General to bring an action in the name of the people of the state to enjoin any waste or pollution of the resources of the coastal zone or any nuisance.
(d) On the right of any person to maintain an appropriate action for relief against a private nuisance or for any other private relief.