Christopher Alexander puts his finger on the great need. We need to regularly create new institutions in our neighborhoods--as needed. Local social experiments aimed at making our lives better in the long run.
See Children's Home. But he essentially suggest this move again and again in his writing.
Idealized Design is a wonderful method for creating new products, services, and institutions that really are what people wish for.
Also, Pruning is a method for dramatically extending the life of a plant. Perhaps we can adapt pruning to institutions and keep the good part and let new parts emerge.