In the summer 2019 Britain was the first G7 member to incorporate a new commitment to reach net zero greenhouse gas emissions by 2050 into law. Since then the country has maintained ambitious green targets for the coming years.

The amount of nitrogen that is excreted by livestock is directly proportional to the amount it is fed . This is according to Chris Reynolds a researcher in nutritional physiology of ruminants  at  the University of Reading , UK.

Dealing with sludge is one of the biggest issues of waste water treatment.