 Judges, including Rohan Silva, senior adviser to UK Prime Minister David Cameron, Baroness Falkner and David Walker, former managing director of the UK's audit commission, gave special mention in their citation to the GCN, calling the initiative 'ground-breaking' and 'unique'.Also in October 2009, the GCN facilitated a high-level meeting of environment ministers and executive directors of environmental protection agencies from a number of countries, including the US, Brazil, Australia, Korea and Indonesia, at Windsor Castle in the UK.The 'Windsor dialogue' was presided over by Lord Chris Smith, Chairman of the Environment Agency and concluded with agreement that greater resources are needed to ensure comprehensive and accurate reporting of greenhouse gas emissions data in developing countries.