A church-backed microfinance institution has increased its field investments by one third, reaching out to poor people often excluded by the commercial banking sector in spite of the global economic downturn.

The World Alliance of Reformed Churches says that that the global economic crisis offers an opportunity to create a more just financial system, backing calls from other churches at the World Social Forum.

Thousands gather in Brazil for the World Social Forum to address exploitative globalisation. Organizers say the economic crisis shows its message of "another world is possible" is more vital than ever.

Debt isn't just a political and economic issue, it's a human tragedy, says Giles Fraser. And it raises the most profound spiritual, ethical and pastoral questions for us all.