In an effort to offset the depletion of resources, theorists have come up with the concept of depletion accounting. Related to green accounting, depletion accounting aims to account f… 展开

Minerals are needed to provide food, clothing, and housing. A United States Geological Survey(USGS) study found a significant long-term trend over the 20th century for non-r… 展开

Overfishing refers to the overconsumption and/or depletion of fish populations which occurs when fish are caught at a rate that exceeds their ability to breed and replenish their population … 展开

Wetlands are ecosystems that are often saturated by enough surface or groundwater to sustain vegetation that is usually adapted to saturated soil conditions, such as cattails, … 展开