The Christian Aid book sale at St Andrew’s & St George’s Church in Edinburgh, Scotland, began its life on a very small scale in 1974 and has now become a national institution - the largest church development sale of its kind.

Some 1 billion people will be forced from their homes by 2050 as climate change deepens an already huge global migration crisis, predicts an authoritative new report by Christian Aid - which shows that scapegoating immigrants is the wrong approach.

Sustainability is the central theme for the 2007 Grand Designs Live ExCel London show, and the Green Garden created by development agency Christian Aid and the Eden Project will be a highlight of the exhibition.

Peter Heslam argues that the corruption row surrounding World Bank chief Paul Wolfowitz taps into wider issues about money and development. Both the Bank and its critics have much to learn, he says.

Plant trees with Christian Aid. Click here to find out more

Christian Aid Week (this year 13-19 May), Britain’s longest running door-to-door fundraising week, turns 50. To mark its golden jubilee it is going green by encouraging people of all ages to plant trees in support of its overseas work on climate change projects.