In rainforests half a world away from the United States, orangutans are making their last stand for survival. Scientists warn that these gentle and intelligent animals, among humankind’s closest kin, could become extinct within our lifetime if their rainforest homes continue to be destroyed for palm oil plantations. But the primary threat pushing them toward extinction lies much closer to home than you may think: you’ll find it hidden in the snack food aisle of your local grocery store, and likely in your own shopping cart.