Farmers in India are using the remains of their mustard plant harvests to generate electricity.
In Benin, women traditionally harvest and process many of the country's food products. They can now do that much faster thanks to biofuel from the jatropha plant and self-established cooperatives.
Home to ancient irrigation systems, Sri Lanka turns to small hydropower plants for energy.
Heavily dependent on coal for its energy, Taiwan now switches to hydropower - and turns a profit.