In 2040, an international environmental program will be in operation and become a standard: minimal emissions from cars, businesses and mines, a program to green urban spaces and increase the countries' forest cover will continue. A landscape aesthetics program will also be introduced, so that mottled advertisements, signs and logos will disappear from buildings and roadside areas, the number of road signs will be reduced and their placement systematized - cities will regain style and areas along roads will regain order.