1/ A change in animals’ living pattern causes noise pollution.
2/ Radioactive pollution is very dangerous since it can cause abnormal growth.
3/ The Chernobyl nuclear accident made the area uninhabitable.
4/ Fossil fuels such as coal or oil are burned, so acid gases are produced.
5/ Because of the dangerous acid rain, trees' leaves are damaged.
6/ Because leaves are damaged, the tree cannot get enough food energy to stay healthy.