Many governments are starting to ban chemicals in sunscreen that are harmful to coral. Here in Florida the city of key has already passed a low banning them.

because the light is a great source of energy for the plants to survive. (i hope this )

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.