National expenditure on environmental protection is defined as the sum of:
- final and intermediate consumption of environmental protection products by resident units, other than those of the environmental protection producers themselves;
- plus capital formation on environmental protection products;
- plus gross capital formation on other products required for environmental protection activities;
- plus (current and capital) specific transfers by residents units not captured in the items above;
- plus (current and capital) financing provided by transfers to the rest of the world.
- less financing by transfers received from the rest of the world.