most environmental law policy and management plans in the united states are based on
Environmental governance Public goods are non-rivalrous—a natural resource enjoyed by one person can still be enjoyed by others—and non-excludable—it is impossible to prevent someone consuming the good (breathing). Nevertheless, public goods are recognized as beneficial and therefore have value. The notion of a global public good thus emerges, with a slight distinction: it covers necessities that must not be destroyed by one person or state.