AICE DEFINITIONS

acid deposition

a mix of air pollutants that deposit from the atmosphere as acidic wet deposition (with a pH <5.6) or acidic dry deposition

ecosystem productivity

the rate of production on biomass for an ecosystem

energy security

the reliable availability of energy sources at an affordable price with a consideration of the environmental impacts

food secruity

when all people, at all times have physical, social, and economic access to sufficient, safe, and nutritious food to meet their dietary needs and food preferences for an active and healthy life

ozone hole

an area where the average concentration of ozone is below 100 Dobson Units

photochemical smog

a mixture of air pollutants and particulates, including ground level ozone, that is formed when oxides of nitrogen and volatile organic compounds (VOCs) react in the presence of sunlight

sustainability

the ability to meet the needs of the present without comprimising the ability of future generations to meet their own needs

water secruity

the ability to access sufficient quantities of clean water to maintain adequate standards of food and goods production, proper sanitation, and sustainable health care

greenhouse gases

Gases in the atmosphere that absorb infred radiation