This document summarizes the key differences between nonrenewable and renewable resources. Nonrenewable resources such as coal, petroleum and natural gas cannot be replenished within human timescales, whereas renewable resources like solar, wind and hydropower can be regenerated naturally and quickly. The text provides examples of nonrenewable resources like uranium and fossil fuels that are finite, as well as renewable resources including solar, geothermal, wind, biomass and hydropower that can be sustainably used into the future.