Ford's new solution captures the volatile organic compounds from paint waste and concentrates them into a rich mixture of hydrocarbons.

FORBES: Paint Power

Eating organic produce could be a partial solution, although one study suggests that the cost of avoiding intensive farm chemicals would mean a 31% increase in food prices.

ECONOMIST: Food in rich countries

Sara visits a local orphanage where organic waste from the local market is powering the stoves -- one solution to Delhi's problem of 9, 000 tons of waste daily.

CNN: This month on Road to Rio