La Comisión ya ha respondido a preguntas similares del señor Ziobro sobre el coste de reducir las emisiones de gases de efecto invernadero en la Unión Europea hasta 2020 y sobre la fuga de carbono, en los meses de marzo y abril de 2010.
The Commission has actually already responded to similar written questions from the honourable Member Mr Ziobro on the cost of reducing greenhouse gas emissions in the European Union by 2020 and on the question of carbon leakage, back in March and April 2010.