Cafod’s recent work on climate change (Letters, 7 December), making the link to severe weather and the humanitarian disaster of Typhoon Haiyan, is entirely in keeping with church teaching and practice. “Care for Creation” is a key theme in Catholic Social Teaching. It was picked up by Pope John Paul II who called for “ecological conversion” in 2001; the Pope Emeritus, who reflected in 2010, “Can we remain indifferent before the problems associated with such realities as climate change, desertification, the deterioration and loss of productivity in vast agricultural areas, the pollution of rivers and aquifers, the loss of biodiversity and the growing phenomenon of environmental refugees?”; and Pope Francis, who said in his inaugural address on 19 M