environmental protection advice(Consultations or recommendations given as a guide of action regarding the preservation of ecological integrity and the defense or shelter of natural resources)
pollution control equipment(Devices for the reduction and/or removal of those emissions to the environment which have the potential to cause pollution)
environmental legislative process(The systematic course of proceedings in which a bill that would preserve or protect ecological resources may be enacted as a law)
pollution control investment(Securities held for the production of income in the form of interest and dividends with the aim of controlling or reducing pollution or substances in the environment deemed harmful to human health and natural resources)