TY - JOUR A1 - Dietz, T. A1 - Rosa, E. T1 - Effects of population and affluence on CO2 emissions Y1 - 1997 DO - 10.1073/pnas.94.1.175 JF - Proceedings of the National Academy of Sciences of the USA VL - 94 IS - 1 SP - 175 EP - -179 ER -