<http://schema.org/description>
"A world without cows would be a world without burgers, right? Yes, and to beef eaters that&amp;#039;s bad news, but it would also be a world with less methane. So would losing all cows be worth it?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/science-vs-myth/what-if/what-if-cows-didnt-exist.htm>