Green Glossary – V

Vector Control
Refers to methods used to control and reduce environmental exposure to pests that can transmit disease pathogens to humans.
Vehicle Emissions
Air pollution produced by transport vehicles such as cars, buses and trucks. Road vehicles are a major contributor to poor air quality, particularly in urban environments.
Ventilation Rate
The rate at which air enters and exits a building or home.
Vermicomposting
Also known as ‘worm composting,’ vermicomposting can be accomplished in bins or pits and adapted for indoor or outdoor composting.
Virgin Materials
Materials sourced directly from nature in their raw form, such as wood or metal ores.
Virus
Viruses are smaller than a single cell or bacteria and cannot reproduce outside a living organism.
Volatile Organic Compounds
Volatile organic compounds (VOCs) are organic chemical compounds that have a high vapor pressure and low water solubility.