Completion requirements
Environmental pollution is the effect of undesirable changes in our surroundings that have harmful effects on plants, animals and human beings. A substance, which causes pollution, is known as pollutant. Pollutants can be solid, liquid or gaseous substances present in greater concentration than in natural abundance and are produced due to human activities or due to natural happenings. So, is the world is more polluted year by year?
In group of two students, discuss this phenomena and write the opinion on this LMS by clicking "Add a new discussion topic". Another student will give some suggestion or opinion by clicking the "Reply" button.