Earth Overshoot Day (EOD), previously known as Ecological Debt Day (EDD), is the calculated illustrative calendar date on which humanity’s resource consumption for the year exceeds Earth’s capacity to regenerate those resources that year.
Earth Overshoot Day is calculated by dividing the world biocapacity (the amount of natural resources generated by Earth that year), by the world ecological footprint (humanity’s consumption of Earth’s natural resources for that year), and multiplying by 365, the number of days in one Gregorian common calendar year.
When viewed through an economic perspective, EOD represents the day in which humanity enters an ecological deficit spending. In ecology the term Earth Overshoot Day illustrates the level by which human population overshoots its environment.
Earth Overshoot Day is calculated by Global Footprint Network and is a campaign supported by dozens of other nonprofit organizations.
Year: Overshoot Date
1987 December 19
1990 December 7
1995 November 21
2000 November 1
2005 October 20
2007 October 26
2008 September 23
2009 September 25
2010 August 21
2011 August 27
2012 August 22
2013 August 20
2014 August 19
2015 August 13
2016 August 8
2017 August 2
