For the purposes of this act, the following words and phrases shall have the following meanings:
a. "Person" includes corporations, companies, associations, societies, firms, partnerships and joint stock companies, individuals, the State, any political subdivision of the State and any agency or instrumentality of the State or of any political subdivision of the State.
b. "Pollution, impairment or destruction of the environment" means any actual pollution, impairment or destruction to any of the natural resources of the State or parts thereof. It shall include, but not be limited to, air pollution, water pollution, improper sewage disposal, pesticide pollution, excessive noise, improper disposal of refuse, impairment and eutrophication of rivers, streams, flood plains, lakes, ponds or other water resources, destruction of seashores, dunes, wetlands, open spaces, natural areas, parks or historic areas.