environment introductory text 407 table 18 1 land areas afforested and co 2 sinks 409 graph area environmental pressures transport 410 number of private cars population 3 total primary energy requirement by fuel type 411 4 final consumption sector 5 greenhouse gas emissions 412 6 equivalent 7 acid rain ozone precursors 413 8 9 days with pm 10 greater than 50 g m3 in dublin 414 river quality 405 11 household commercial waste collected 415 12 disposal recovery packaging 2004 13 rainfall 416 percentage normal 14 temperature 417 difference from mean