Nitrogen: an air pollutant or important and useful?
In the last few weeks there has been a lot of excitement around nitrogen. The protests of farmers and builders have once again brought this topic into the public eye. However, nitrogen has two faces! It is more than just an environmental and health problem. It is an indispensable nutrient for all living things, found in air, water, soil, plants and animals. Nitrogen is thus a basic building block of nature. A human being weighing 70 kg has 2 kg of nitrogen in his body. Continue reading →