Not only is it cheaper to rent from each other and profitable for those that share, it means less waste as we exchange items amongst ourselves instead of always buying what we need.

FORBES: The Power of Sharing in the Internet Economy

It portrays the innovative work of former Mayor of Curitiba (Brazil), Jaime Lerner, who was responsible for developing an efficient public transport system (the MetroBus), and a clever system of sorting of waste (Cambio verde), which offers to the poorest urban dwellers the possibility to exchange recyclable waste for fruits and vegetables.

UNESCO: Social Sciences