Human waste could be an alternative to chemical fertilizers.

Human urine could nourish the plankton used as food on fish farms. Plankton grown in diluted urine do better than those given other nitrogen-rich materials, ecological engineers have found.

Read the story here.

Human waste could be an alternative to chemical fertilizers.

Human urine could nourish the plankton used as food on fish farms. Plankton grown in diluted urine do better than those given other nitrogen-rich materials, ecological engineers have found.

Read the story here.