European energy from fish and tea bags?
Εκπαιδευτικά Άρθρα 20/12/2011 16:39In Europe at least 20 percent of our food ends up as waste. While new zero-food waste policies are on their way, researchers are imagining ways to turn current food-waste mountains into future green energy. And they are testing their dramatic new ideas — some 13,000 kilometres apart. “The dream was born during one visit here in Vietnam, some years ago.