The gray energy and the "gray CO2" of construction: the hidden face of the building and construction sector.
The orientations of European policy on the gray energy of construction.
The new data on climate change obliges us to significantly reduce our fossil energy consumption, especially in the construction sector, which represents 40% of the total energy used in the European Union and almost a quarter of greenhouse gas (GHG) emissions.
The European Union has issued a directive 19 May 2010 to improve the energy performance of buildings, which at the time was already hailed as a big step. This directive provides for the generalization of "passive" or energy-producing buildings on the 2020 horizon, with an obligation for public buildings to implement this policy from 2018. This text stipulates that in a quarter of a century, at least 25% of new buildings are neutral or positive on the energy balance of their consumption.
Read the article on the site: CO2 energy and gray building