<http://schema.org/about>
"\nPhoto: Wikipedia, CC\n\"Carbon dioxide emissions will be cut by 164 million metric tons over 30 years.\"\nHeating water is one of the most energy-intensive (and thus polluting) things that takes place in the average house or apartment building. There are"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/us-department-of-energy-announces-stricter-efficiency-standards-for-water-heaters.html>