Link the following environmental transactions and events with the relevant environmental accounting system:

1 A tax on emissions of carbon dioxide 2 Capital expenditure on a water-recycling plant 3 A ‘per container’ charge on the profits of managers who do not return empty chemical containers to a central storage area 4 A tailings dam at a company mine is destroyed by an earthquake.
5 Emissions of salt from a factory into a local river have increased.
6 Managers plan to conserve biodiversity in the immediate surroundings of their factory site.