Renewable+vs.+Non-Renewable


 * AIR**


 * TREES**


 * WATER**


 * WIND**


 * SUN**


 * STYROFOAM**


 * ROCKS AND MINERALS**


 * TIRES**


 * CORN**


 * TIDES**


 * COAL**


 * CARDBOARD**


 * PAPER**


 * NATURAL GAS**


 * GLASS**


 * METAL**


 * OIL/PETROLEUM**


 * BATTERIES**


 * WATERFALLS**


 * ​HOTSPRINGS**