Ecological footprint
Topic: Natural Resources: Classification, Planning and Sustainable Use · NCERT: Beyond NCERT
Meaning
The ecological footprint measures how much nature we use. It is the area of land and water needed to grow what a person, city or country uses and to absorb the waste it makes. It is counted in global hectares, a standard unit for land of average productivity. If the footprint is bigger than the land and water that can renew themselves, we are using nature faster than it can recover. Humanity now uses resources as if it had about 1.7 Earths (verify current). This shows that present demand cannot last.
Example
A family in Delhi that drives a car, uses air conditioning and eats food brought from far away has a bigger footprint than a farming family in a village in Odisha. The Delhi family needs more cropland, forest and sea area to supply its goods and to absorb its carbon dioxide.
Don't confuse with
- Earth Overshoot Day: this is a date, not an area. It is the day each year when human demand goes beyond what the Earth can renew in that year. In 2025 it fell on 24 July (verify current).