in 17th-century Britain there were around 90,000 windmills. Now there were plans to build perhaps 4,000 bringing the total to 5,000. http://www.guardian.co.uk/commentisfree/cif-green/2009/mar/31/green-energy-government-economy
Four more rounds of formal negotiations are scheduled before the Dec 7-18 talks in Copenhagen. These are June 1-12 in Bonn, Germany; Aug 10-14 in Bonn; Sept 28 to Oct 9 in Bangkok; and Nov 2-6, at a venue yet to be decided.
In addition, heads of state and government will gather in September at a U.N. climate change summit in New York and President Obama will host a major economies forum on the sidelines of the G8 in Italy in July. Two other meetings convened by the United States will take place, one probably 26-27 May in Paris and another in June.