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 chart below contains a citation and summary for state laws that apply broadly to environmental agencies, as well as those that apply specifically to state regulations adopted under the federal Clean Air Act. At least 19 states have one or more laws limiting state agency authority to adopt environmental standards. Statutes generally fall into one of two categories: (1) statutes imposing an unconditional restriction on state agency authority; and (2) statutes imposing a conditional restriction on state agency authority.