Earth Overshoot Day
Proper noun
Meaning
Earth Overshoot Day (plural Earth Overshoot Days)
(ecology) The calculated illustrative calendar date on which humanity's resource consumption for the year exceeds Earth's capacity to regenerate those resources that year.
Examples
So-called Earth Overshoot Day -- the date when humanity has used all the biological resources that Earth can renew annually -- has crept steadily earlier since the 1970s, according to the Global Footprint Network.