A new study conducted by Oxford University researchers shows that it could be possible for shoppers to check the environmental impact of their purchases by stamping food items with eco-labels.  With the new study, shoppers can make intelligent purchases since UK manufacturers will have to list their main ingredients by percentage, not the amount. The scientists addressed the issue of using public databases by estimating the composition of food products and their environmental … [Read more...] about New study shows supermarkets could add eco-labels to foods