In 2050, the Earth's population will reach 9.7 billion, according to an estimate by the United Nations. This growth will require an increase in the pace of construction both inside and outside cities, a challenge involving a rapid shift in the selection of construction materials, which will be key to guaranteeing the future of the planet. 

In the very short term, European laws will become more demanding, for example, requiring all new buildings to have an energy balance of almost zero concerning their CO2 emissions.