I received this interesting note from WWF-Hong Kong:

Ecological Footprint (English)

WWF- Hong Kong has recently released the Hong Kong Ecological Footprint Report 2010, which demonstrates that Hong Kong people are living beyond the Earth’s limits. According to the report, if everyone in the world lived a similar lifestyle to that of Hong Kong people, we would need the equivalent resources of 2.2 Earths. Hong Kong has the 45th largest Ecological Footprint per person compared to 150 countries with populations larger than 1 million people in 2007.

 The Ecological Footprint measures the extent of human demand for the regenerative capacity of the biosphere. Both quantities are expressed in units of global hectares (gha). Hong Kong has an average per person Ecological Footprint of 4.0 gha, which is more than double the 1.8 gha of biocapacity – the area actually available to produce resources and absorb CO2 – available per person globally. This report uses 2007 data.

http://assets.wwfhk.panda.org/downloads/hong_kong_ecological_footprint_report_2010.pdf

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