The resources of service makes up of the average Americans ecological footprint

Pressure on the environment will increase unless consumption patterns of Americans are significantly adjusted with the ecological footprint.

Explanation:

Americans has exceeded the limit of it's consumption of annual ecosystem. Ecological Footprint works by calculating the demand of population and supply of the environment.

Demand side: The Ecological Footprint estimates the ecological assets like plant-based product, timber, livestock, etc that a population requires for producing the natural resources it consumes and the absorption of waste.

Supply side: Americans bio capacity or supply estimates the production of its ecological assets like cropland, grazing land, forest land, etc. If these areas are left unharvested, much more waste that are generated will be absorbed.