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Living Planet Index Interactive graph
The global LPI declined by about 30% between 1970 and 2007.
The Living Planet Index (LPI) reflects changes in the health of the planet’s ecosystems by tracking population trends of over 2500 vertebrate species. Much as a stock market index tracks the value of a set of of shares, the LPI calculates the average annual rate of change for species populations from 1970 to 2007, the latest date for which sufficient data are available.
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