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Glossary


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


O

Organic

 

In this guide, matter from living, or once-living, things.

 
Organism

 

Any living thing, from bacteria and fungi through to insects, plants, animals and humans.

 
Organic food

 

Plants and animals that are grown or reared without the use of synthetic fertilisers, pesticides or hormones.

 
Open forest

 

Lands with forest cover having a canopy density between 10-40%.

 
Ozone layer

 

Very dilute atmospheric concentration of ozone found at an altitude of 10-50 kilometres above the earth’s surface.

 
Ozone-depletion potential

 

A relative index indicating the extent to which a chemical may cause ozone depletion. The reference level of 1 is the potential of CFC-11 and CFC-12 to cause ozone depletion .