Many of them end up in landfills, where they can sit for hundreds of years, potentially leaking pollutants into the soil and water. They also clog storm drains and jam recycling equipment. Countless tons of them are floating around in the oceans, and pieces of them can be found in the stomachs of dying or dead sea turtles and whales.
Article source: http://www.huffingtonpost.com/2017/05/06/how-many-plastic-bags_n_16482242.html?utm_hp_ref=hawaii&ir=Hawaii