Onion Juice, Poop, and Other Surprising Sources of Alternative Energy
If Deformed Frogs sounded pretty bad, get ready for Onion Juice, Poop, and Other Surprising Sources of Alternative Energy. Repugnant as it may be, these energy sources reel kids into learning about our global…
Tags: Alternative EnergyCarolyn M. MullinCowsfactory farmingFarmed AnimalsFarmingFossil FuelsGross BooksMark WeaklandOlder Elementary