Definition: material of biological origin, excluding material embedded in geological formations or transformed to fossilised material.
Notes on definition:
- Note 1 to entry: This includes organic material (both living and dead) from above and below ground, e.g., trees, crops, grasses, tree litter, algae, animals, and waste of biological origin, e.g. manure.
Source: ISO 59004:2024
Type of source: Standards