A centuries-old Irish convent is using green energy and sustainable farming to try to make itself self sufficient in heating and food - and its 29 nuns are encouraging other religious communities to do the same.
St. Mary's Abbey in Glencairn, an enclosed order of Trappistine nuns in the southeast of Ireland, has planted 27 acres of bio-energy fuel Miscanthus, an Asian elephant grass, which has replaced oil as its main heat source.
