<http://schema.org/alternativeHeadline>
"The Bishops of London and Liverpool are asking their constituents to cut their CO2 footprint during the 40-day fast of Lent."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/climate-weather/blogs/british-bishops-call-for-a-green-lent>