Variable	Measurement	Era	Code	N	Source
Ecological footprint	Biologically productive space required to produce the food and wood people consume and to absorb the CO2 omitted from burning fossile fuels. Expressed in hectares per capita	1996	EcologicalFootprint_1996	93	Living Planet Report 2000, table 2
		2007	EcologicalFootprint_2007	152	Global Footprint Network 2010

Related topics: Biological capacity, Income
Related themes: Consumption, Ecology, Economy, Life style, Risk

The dataset States of Nations is about characteristics of countries in periods (macro variables). It is part of the World Database of Happiness. Developed for identification of societal conditions for happiness, this dataset can also be used for other purposes.