the ecologic brands hybrid milk bottle is biodegradable, compostable and recyclable.  the outer shell is made from 100 recycled cardboard, using the same paper pulp methods that create egg cartons.  the milk itself is transported in a thin, flexible inner pouch, which is said to need 70 less plastic than normal plastic jugs. green bottle reckon the uk generates about 9 billion milk bottles annually. they quotes figures that on average, every british household uses 500 plastic bottles each year, but only recycle 130. source httpwww.treehugger.comgreenfoodmightbagsinabottlebethefutureofpackaging.html