Matching Pairs Causes and Effects of Environmental PollutionOnline version Try to match the five causes of environmental pollution with the effects they cause to our world. by Barbara Stasiuk 1 Factories release harmful gases and chemicals into the air and water, so 2 Cars and trucks produce carbon which causes 3 Cutting down trees 4 Dumping garbage and chemicals into water sources results in 5 Pesticides go into the soil and water which leads to greenhouse gases to melt the polar caps. the killing of plants and animals. people have breathing problems. reduces the number of trees that can clean the air. dirty water that make people sick when they drink it.