Спереводом с на (только не в гугл переводчике! ) water and air pollution is a very serious threat to our environment. this is a result of human activities: releasing poisonous chemicals, car fumes (the number one of cars on our planet has doubles in the course of the last 30 years) throwing litter,, oil spills. polluted water affects people’s health. about 1,4 billion people have no access to safe drinking water. polluted water also causes water animals to die.