A helping hand

摘要

Since the 1960s, 'environmental protection' has been a catch phrase used by individuals or groups that look to minimise the adverse effects that human activity can have on the environment. This commitment to protecting the environment has led to the creation of myriad local, state and federal regulations that restrict the types, and amounts, of hazardous materials that can be introduced into the atmosphere, the soil or the water supply, or inadvertently ingested by humans.