The objective of this study is to identify and carry out critical analyses of the existing methodologies and initiatives aiming at measuring the GHG emissions and energy consumption applicable to the ICT sector (ICT products, services and companies). The expected result is to get a clear picture and critical comparison of the methodologies and initiatives that exist or are in preparation, in the EU and globally. Duration must not exceed 7 months. The total price quoted cannot exceed EUR 180.000.