© istopckphoto [dim_it:pic_desc]Comparison with paper bags: paper is not preferable to plastic, because it takes almost twice as much energy to produce paper bags. Another disadvantage is the considerably higher pollution of air and water by nitrogen oxides, sulphur dioxides and other chemicals with which pulp fibres need to be treated. In addition to this, paper can only be reused to a limited extent, i.e. until it tears or gets wet. Whether paper bags are better or worse than plastic bags in individual cases depends on the raw material used (recovered paper, recycled plastic) and the disposal process.[/dim_it:pic_desc]