Alternative Energy

BERLIN

Saving Heat from Going Down the Drain

By Julio Godoy
Whenever hot water from the kitchen tap or the bathroom shower goes down the plughole, a substantial amount of heat energy goes with it. In some German buildings this is being recovered and used to heat buildings in the winter and run air conditioning systems in the summer, representing a real energy-saver.

Occupation Can’t Stifle Innovation

By Jillian Kestler-D'Amours
Afnan Hamad stands proudly in front of a booth at the Ramallah Cultural Palace exhibition hall, three plastic bottles filled with discoloured liquid on the table in front of her.
A worker unloads rice husk at a biomass power plant run by a company in Thailand. Credit: Nantiya Tangwisutijit/IPS

Agricultural Waste Boosts Energy Production in Argentina

By Marcela Valente
A joint project by the energy and agriculture authorities in Argentina is seeking to boost electricity generation from forestry waste and other rural products which have enormous potential, according to experts.

Biodiesel Brings Cleaner Air

By Kara Santos
For the past three months, a transport group in the Philippines has been making use of biodiesel processed from used cooking oil for their jeepneys.