4.1 Pollution will not cause injury to health or environmental damage.

4.2 Releases of substances that are hazardous to health or the environment will be eliminated.

4.3 The growth in the quantity of waste generated will be considerably lower than the rate of economic growth, and the resources in waste will be used as fully as possible through recycling and energy recovery.

4.4 To ensure safe air quality. Current knowledge indicates that air is safe to breathe if concentrations of pollutants are below the following limits: – Annual mean concentration of PM10: 20 μg/m3 – Annual mean concentration of PM2.5: 8 μg/m3 – Annual mean concentration of NO2: 40 μg/m3

4.5 By 2020, noise annoyance will be reduced by 10% from the 1999 level. By the same year the number of people exposed to indoor noise levels exceeding 38 dB will be reduced by 30% from the 2005 level.