00762nam a2200205Ia 4500 CTU_141901 210402s9999 xx 000 0 und d 333.7 W115 Wackernagel, Mathis Our ecological footprint : Reducing human impact on the earth Mathis Wackernagel and William E Gabriola Island New Society Publishers 1996 Contents: Ecological footprint for beginners; footprints and sustainability; fun with footprints methods; the search for sustainbility strategies; avoiding overshoot. Sustainable development,Human ecology Tuyến Trung tâm Học liệu Trường Đại học Cần Thơ