By Alexander Carnwath | 18 June 2012
Twenty years since the first landmark event, 50,000 people are curently in Rio de Janeiro for the UN Conference on Sustainable Development - or Earth Summit as it is widely known.
Christian Aid staff and partners from around the world will be among them. But what will happen at Rio+20 and how is it connected to Christian Aid's work?
I spoke to Christian Aid's senior climate change adviser, Alison Doig, and our senior international campaigns officer, Mariana Paoli, to find out.
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