One of the currently most important parameters to assess the environmental impact of an activity is the ecological footprint. It is a parameter that has been used for relatively few years and that, little by little, is consolidating both in the academic world and among the general population. This concept arose trying to have a measure that, like the Gross Domestic Product (GDP), can inform us about the environmental impact of a specific activity.
In this Green Ecology article titled ecological footprint: easy definition for children, so that you can find out what it is.
The ecological footprint allows us toassess the impact of a specific activity on our environment compared to the capacity of the environment and thus be able to define whether an activity is sustainable or not. For this, an ecologically productive area of land is taken, such as a crop, pastures, forests or any ecosystem, which would be necessary to produce all the resources sought and to assimilate the waste that is generated by that activity over time.
It also takes into account energy issues, for example in a forest the number of hectares that are needed to assume the CO2 produced by the energy consumption of this activity are determined. In addition, the type of energy used is taken into account, if, for example, renewable energies are used (wind, solar, …), the ecological footprint will be less than using other energy sources.
Nowadays, more resources are consumed and more waste is produced than the planet's biocapacity to assimilate them, so measures must be taken to reduce this ecological footprint.
The primary objective is know if a certain area of the planet can support a specific production process and assimilate the waste it generates over time, without causing damage to the environment. One of the advantages of the ecological footprint is that it sometimes makes it possible to obtain specific indicators and make comparisons between them and with other means, which is very important to assess environmental damage.
Without realizing it, in our daily life we carry out a multitude of activities, such as buying products or services, traveling by plane or car or consuming energy that has an impact on our environment and that environment must assimilate that impact. That is why the ecological footprint is so important, because our environment is not infinite, and one day it may be damaged.
When determining the ecological footprint we must take into account some factors What:
The ecological footprint is calculated like this:
When conducting the analysis, it is seen that the inhabitants of certain countries have more surface area to carry out their activities. That corresponds to countries with a smaller ecological footprint and to future generations. This is because they are appropriating land outside their territory or that belongs to future generations.
The reality of the analyzes is that the total ecological footprint of the planet exceeds its assimilation capacity by 30%. This warns us of the accelerated rate of consumption of resources and their distribution, so it is necessary to take measures to reduce it.
According to the analyzes, the Ecological footprint in Spain exceeds its biocapacity by 2.6%. This means that to maintain our standard of living and the current population, we would need about three Spains. The analyzes also show that in about fifteen years, our ecological deficit increased by 50% and the trend continues to increase.
In Spain, for example, each person consumes the equivalent of 3.8 hectares when the carrying capacity of our territory is 1.4. That is, there is a deficit of 2.4 hectares or each one borrows 24,000 m2 of land from other countries.
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