The document discusses Curitiba's sustainable practices around recycling, transport, industry, parks, flood control, land use, and return home schemes. It describes how:
1) Curitiba has a unique recycling program called the "green swap" where residents can exchange recyclables for food/bus tickets at recycling points.
2) The city developed an extensive bus rapid transit system with dedicated lanes that over 75% of commuters use, reducing congestion.
3) An industrial city was built 10km outside Curitiba to avoid pollution and provide jobs for citizens.
4) The city turned flood plains into parks and increased green space to over 50 square meters per person to handle flooding and