A new report shows global wildlife populations have dropped nearly
70% since 1970. You can see the drop in
this graph from the World Worldwide Fund for Nature's report
showing how relative abundance of wild species populations have changed
over time. The report WWF points to human caused
habitat deterioration as the driving cause behind this drop,
Latin America and the Caribbean saw the steepest regional decline
of about 94%. North America saw a 20% drop --> .