Removal of pesticides from waste-water

"Organic foods are richer in nutrients. This means they improve satiety and naturally help regulate body weight...Plants produce antioxidants to protect themselves from pests like insects and to withstand harsh weather. When they're treated with chemicals such as pesticides, they don't need to produce as much of their own natural defenses, so the levels are lower and due to their wide use, they have become the second largest contaminant in drinking water and in food. Because over 98% of sprayed insecticides and 95% of herbicides reach a destination other than their target species, including non-target species, air, water, bottom sediments, and food"