Pint of milk (576ml) = 30p
Bottled water (500ml) = 50p to £1
Bottled water (500ml) = 50p to £1

I'll tell you what's not a delusion of the hippies. It takes 20 pounds of plant protein to produce 1 pound of beef, 5 pounds to produce poultry and dairy. How about skipping that hamburger and junk food occasionally? Eating lower on the food chain also lowers concentrations of pesticides.
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