recessive gene. recessive gene in Medicine. recessive gene n. A gene that is phenotypically expressed in the homozygous state but has its expression masked in the presence of a dominant gene.
Environmental law. For other uses, see Environmental Law (disambiguation). Environmental law - or environmental and natural resources law - is a collective term describing the network of treaties, statutes, regulations, common and customary laws addressing the effects of human activity on the natural environment. The core environmental law regimes address environmental pollution.
The National Environmental Policy Act (NEPA) is a United States environmental law that promotes the enhancement of the environment and established the President's Council on Environmental Quality (CEQ).The law was enacted on January 1, 1970.As the bill was an early step towards the development of the United States's environmental policy, NEPA is referred to as the âenvironmental Magna Cartaâ.he law was enacted on January 1, 1970. As the bill was an early step towards the development of the United States's environmental policy, NEPA is referred to as the âenvironmental Magna Cartaâ.