A testing facility officially recognized to meet specific standards and qualifications for conducting environmental analyses.

A system or device designed to warn of a specific environmental hazard or condition.

Fuels considered to be environmentally friendlier than conventional fuels, such as biodiesel or hydrogen.

A process of merging or combining materials, often used in reference to the treatment of certain wastes or recovery of precious metals.

Official permission or approval to undertake a specific action or process, often related to environmental regulations.

Materials or substances capable of being decomposed by bacteria or other biological means.

The amount of energy produced by the complete combustion of a material or fuel.

Strategies or structures designed to prevent the release of pollutants into the environment.

An individual or company hired to perform specific tasks, often related to construction or environmental projects.

Devices or systems used to reduce or eliminate emissions and pollutants from processes.