Many of my friends are pessimistic when they contemplate the world's growing population and human demands colliding with shrinking resources.

This is because they are present throughout the earth's crust on a vast scale, far exceeding human demand on all time scales.

One way to estimate human demand compared to ecosystem's carrying capacity is "Ecological footprint" accounting.

The Virgin River Program was established to balance increasing human demand and maintain this unique system.

They fit an ancient human demand for a parental (tribal/feudal) hierarchy where every person knows his place.

As a woman in a movie, Lisbeth fascinates us in part because we want to see how much she will respond to normal human demands.

The ecological footprint is a measure of human demand on the Earth's ecosystems.

It compares human demand with planet Earth's ecological capacity to regenerate.

Ecological footprint analysis compares human demands on nature with the biosphere's ability to regenerate resources and provide services.

The totally human demand from such a professional source alarmed Barth as it did Anna.