Brussels, 04/05/2010 (Agence Europe) - In the company of European Commission President José Manuel Barroso, Spanish Prime Minister José Luis Rodriguez Zapatero and European Parliament President Jerzy Buzek, the mayors of 500 towns signed up to the Covenant of Mayors on Tuesday 4 May. With this act, there are now over 1,600 towns, local and regional authorities (nearly 19 million European citizens in 36 countries) that have undertaken to reduce CO2 emissions by more than 20% by 2020. They...