Three Californias Triptych Series by Kim Stanley Robinson

2047: for 60 years America has been quarantined after a devastating nuclear attack. For the small community of San Onofre on the West Coast, life is a matter of survival: living simply on what the sea and land can provide, preserving what knowledge and skills they can in a society without mass communications. Until the men from San Diego arrive, riding the rails on flatbed trucks and bringing news of the new American Resistance... more2047: for 60 years America has been quarantined after a devastating nuclear attack. For the small community of San Onofre on the West Coast, life is a matter of survival: living simply on what the sea and land can provide, preserving what knowledge and skills they can in a society without mass communications. Until the men from San Diego arrive, riding the rails on flatbed trucks and bringing news of the new American Resistance. And Hank Fletcher and his friends are drawn into an adventure that marks the end of childhood... less

2027: Southern California is a developer's dream gone mad, an endless sprawl of condos, freeways, and malls. Jim McPherson, the affluent son of a defense contractor, is a young man lost in a world of fast cars, casual sex, and designer drugs. But his descent into the shadowy underground of industrial terrorism brings him into a shattering confrontation with his family, his goals, and his ideals.The Gold Coast is the second novel in Robinson's Three Californias trilogy.

2065: In a world that has rediscovered harmony with nature, the village of El Modena, California, is an ecotopia in the making. Kevin Claiborne, a young builder who has grown up in this "green" world, now finds himself caught up in the struggle to preserve his community's idyllic way of life from the resurgent forces of greed and exploitation.