<http://schema.org/alternativeHeadline>
"The three-term New York mayor was famous for his outspoken persona and economic rekindling, but he also had a little-known green streak."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/politics/blogs/ed-koch-dead-at-88-leaves-unique-environmental-legacy>