Brussels, 03/05/2010 (Agence Europe) - At a ceremony on Tuesday 4 May, to be attended by European Commission President José Manuel Barroso, José Luis Rodríguez Zapatero, Prime Minister of Spain, and European Parliament President Jerzy Buzek, more than 500 European mayors will sign the Covenant of Mayors. With this, the number of signatories will rise to more than 1600 cities, local and regional authorities in 36 countries, representing 120 million citizens, committed to cutting CO2...