22. ตารางที่ 1 : Trends for key continental environmental problems iii- iii- ที่มา : Global Environment Outlook: for life on Earth, UNEP, 1997) Africa Asia- Pacific Europe, former USSR Latin America, Caribbean North America West Asia Polar Regions Land : degratation Forest : loss, degradation Bio-diversity : loss, habitat fragmentation Fresh water : scarcity, pollution Marine and coastal zones : degradation Atmosphere : : pollution Urban and industrial : : contamination, waste Increasing Decreasing Remaining relatively stable Not applicable, not known Environmental type Region