Heat within 10,000 meters of the earth's crust contains 50,000 times more energy than all the oil and natural gas resources in the world. (reuters.com)
Natural gas resource estimates keep increasing as technology unlocks resources previously considered too difficult or costly to produce. (instituteforenergyresearch.org)
Whether we can effectively manage our natural gas resource while developing next - gen sources remains to be seen. (popularmechanics.com)