Food for 9 Billion

Up to half the world’s food is wasted -- that’s the conclusion of a study by Britain’s Institution of Mechanical Engineers.

Low-emissions cooking aims to slow global warming one plate at a time -- with good food.

Soon most seafood consumed worldwide will be farmed, not wild. Vietnamese farmers are raising pangasius -- sold in U.S. and European markets as "catfish" -- on an industrial scale, while researchers and environmentalists seek to make fish farming both efficient and environmentally safe.