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Effluent from water treatment plants continues to pollute waters with nutrients, but water utilities can shift to more sustainable model that goes beyond basic treatment and includes nutrient recovery and removal, according to a report released by The Johnson Foundation at Wingspread.

Waste from snack food production, such as potato peels, corn kernels and other ingredients, is used to generate 35% of the electricity needed to power two PepsiCo plants in Turkey, thanks to an investment the company made in anaerobic digestion technology at the plants two years ago as part of its zero-waste commitment. The nutrient-rich digestate is also used as a fertilizer that the company supplies to 350 contract farmers

A biogas process being used in Turkey reduces plant operations while providing potato farmers with more sustainable soil nutrients.

As sea levels rise, high-tide flooding is becoming a growing problem in many parts of the globe, including cities on the U.S. East Coast. Now, new research shows that as these waters recede, they carry toxic pollutants and excess nutrients into rivers, bays, and oceans