This study is central for the theory of natural capital.

We are doing the same with the planet's natural capital.

The value of the world's ecosystem services and natural capital.

"Natural capital" is an example of one theory combining both.

As a larger port, it had come to be considered the natural capital of the island.

They place values on natural capital by using the concept of economic rent.

It also explains how the government will "green" our economy through the development of natural capital accounting systems.

Then know you and all, that Constantinople is the natural capital of the globe.

The products created by mankind cannot replace the natural capital found in ecosystems.

Klaksvík is regarded as the natural capital of this region.

The environment is deteriorating, we're using up our natural capital, and someday, we don't know how, that's going to get us.

"But once you cut the forest, you have consumed our natural capital."

A quarter of the world's population affected, perhaps fifty trillion dollars in human and natural capital at risk.

The concept of ecosystem services is similar to that of natural capital.

This debate resembles, in form, that regarding natural capital.

Work is natural capital, the capital produced by people.

The oil, a type of natural capital, was exported in vast quantities by Norway.

The leadership emphasized the ongoing role of the Confederacy in protecting natural capital.

In fisheries, the basic natural capital, or virgin population, must decrease with extraction.

Natural capital may also provide services like recycling wastes or water catchment and erosion control.

This is a question between economics and the draining of the largely unaccounted natural capital.

Robert Costanza and other theorists of natural capital analysed nature's services to humanity in the 1990s.

Now recall that natural capital can be divided into marketable and nonmarketable.

But human knowledge and understanding of the natural environment is never complete, and therefore we cannot yet know what natural capital means exactly.

All told, physical and natural capital each represent just one-sixth of the world's $390 trillion in wealth as estimated by the bank.