When compared to plastic jugs, plastic milk bags use about 20-30% less plastic. Additionally, pillow pouches are thin and flexible, requiring about 20-30% less energy to produce and transport.

The Innovation Center, funded by money from milk sales, has representatives from dairies and international industry consulting on ways to reduce greenhouse gasses by 25 percent by 2020.

In the discussion, one savvy shopper noted that one gallon goes for $3.89 and a two-pack of one gallons is $7.78. If you do the math, you'll notice the two-pack is simply double the price of the ...