The Living Planet Report 2002 shows that humans are currently running a huge deficit with the Earth - using over 20% more natural resources each year than can be regenerated - and this figure is growing each year.
Projections based on likely scenarios of population growth, economic development and technological change, show that by 2050, humans will consume between 180% and 220% of the Earth's biological capacity.
According to the report, this means that unless governments take urgent action, by 2030, human welfare, as measured by average life expectancy, educational level, and world economic product will go into decline.
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