This weekend, 60,000 delegates will arrive in Johannesburg for the World Summit on Sustainable Development, which starts on Monday.
By visiting the interactive Virtual Exhibition on the official website at any time during the two weeks of the summit, you can see what is happening in Johannesburg or get a taste of what is happening in the wider world - via a live webcast. The site also features a moderated discussion forum to allow the exchange of ideas and opinions online; examples of successful sustainable development projects around the world and a virtual exhibition.