Substances extracted from the Earth that form naturally but at a rate far slower than human consumption are considered finite. Fossil fuels, such as coal, oil, and natural gas, exemplify this category.... Read more »
Energy sources are broadly categorized by their replenishment rates. Five examples of resources that regenerate on a human timescale include solar, wind, hydro, geothermal, and biomass energy. Conversely, five examples of resources... Read more »
