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 Cutting down trees 2 Dumping garbage and chemicals into water sources results in 3 Factories release harmful gases and chemicals into the air and water, so 4 Cars and trucks produce carbon which causes 5 Pesticides go into the soil and water which leads to people have breathing problems. the killing of plants and animals. dirty water that make people sick when they drink it. reduces the number of trees that can clean the air. greenhouse gases to melt the polar caps.