Earth Overshoot Day

Earth Overshoot Day

The historical article from July 2018 explains Earth Overshoot Day, a measure communicated by the Global Footprint Network. It marks the point in the year when humanity’s estimated annual demand for ecological resources exceeds estimated annual regeneration.

Values in the original announcement

The article discussed the 2018 global date of 1 August and contemporary estimates of humanity’s ecological footprint. Those values are historical snapshots, not figures for the current year.

Relevance to buildings

Buildings influence energy and material demand. Measured efficiency improvements, sound maintenance and responsible investment can support more sustainable operation.

Official source

Current methodology and yearly dates are published by the Global Footprint Network.

Interpreting Earth Overshoot Day

The 2018 archival post reported that global Earth Overshoot Day fell on 1 August that year. It described the Global Footprint Network's estimate of the date on which humanity's resource demand exceeds the Earth's capacity to regenerate those resources within a calendar year.

The article also cited historical estimates of approximately 1.7 Earths for global resource demand and 2.75 Earths under a hypothetical Slovenia-wide consumption pattern. These are dated footprint-model results, not live statistics or direct measurements of individual buildings.

For the method and updated figures see the Global Footprint Network.