2. Natural capital is the world's stock of natural
resources, which includes geology, soils, air, water
and all living organisms.
Some natural capital assets provide people with free
goods and services, often called ecosystem services.
Two of these (clean water and fertile soil) underpin
our economy and society and make human life
possible.
3.
4. It is an extension of the economic notion of capital
(resources which enable the production of more
resources) to goods and services provided by the natural
environment.
Mangrove swamp at Iriomote Island,
Japan, providing beneficial services of
sediment accumulation, coastal
protection, nursery and fish-spawning
grounds which may in turn support
coastal fishing communities. At least
35% of the world's stock of
mangrove swamps has been
destroyed in just 20 years.