However another lobbyist, Richard Tren of the Sustainable Development Network, says that properly-regulated privatisation is better than centralised government water distribution.

BBC: Politics clouds clean water debate

The Director-General will also take part in the launch of a new Sustainable Development Solutions Network led by Professor Jeffrey Sachs, attend the opening of the Clinton Global Initiative Annual Meeting.

UNESCO: MEDIA SERVICES

Wales is a founder member of the Network of Regional Governments for Sustainable Development, which represents over 600 sub national governments within the UN on sustainability issues.

BBC: Plaid Cymru debate