A lot of resources and energy go into making products before they ever reach the store.

Product: Juice Box
Conifer and deciduous trees
Wood trucked to paper mill -- consumes energy, creates air pollution
Wood chipped -- consumes energy
Wood chips "digested" in sulfurous solution -- consumes energy, creates water pollution
Paper bleached (usually with chlorine) -- creates water pollution
Paper rolled into long sheets -- consumes energy
Paper shipped to drink manufacturer -- consumes energy, creates air pollution
Juice box manufacturer makes juice boxes and fills with beverage-- consumes energy
Drinks in juice boxes shipped to the store -- consumes energy, creates air pollution

Product: Soda Can
Bauxite mined from sediments deposited millions of years ago -- consumes energy, creates mining waste
Shipped to refinery -- consumes energy, creates air pollution
Crushed, heated, and mixed with sodium carbonate to remove contaminants -- consumes energy, creates air and water pollution
Shipped to aluminum manufacturer -- consumes energy, creates air pollution
Aluminum melted and formed into ingots -- consumes energy, creates air pollution
Aluminum rolled into foil and sheets -- consumes energy, creates some air pollution
Aluminum foil shipped to drink manufacturer --consumes energy, creates air pollution
Manufacturer makes aluminum cans and fills with beverage -- consumes energy, creates some air pollution
Drinks in aluminum cans shipped to store -- consumes energy, creates air pollution