Diagram describing the flow of <a href="https://en.wikipedia.org/wiki/natural_resource" class="extiw" title="en:natural resource">natural resources</a> through the economy: Valuable resources are procured from nature by the input end of the economy; the resources flow through the economy, being transformed and manufactured into goods along the way; and invaluable waste and pollution eventually accumulate by the output end. <a href="https://en.wikipedia.org/wiki/Recycling" class="extiw" title="en:Recycling">Recycling</a> of material resources is possible, but only by using up some energy resources as well as an additional amount of other material resources; and energy resources, in turn, cannot be recycled at all, but are dissipated as <a href="https://en.wikipedia.org/wiki/waste_heat" class="extiw" title="en:waste heat">waste heat</a>.
<a href="https://en.wikipedia.org/wiki/User:Gaeanautes" class="extiw" title="en:User:Gaeanautes">User:Gaeanautes</a>
2015-06-25
<span class="int-own-work" lang="en">Own work</span>