Syllabus Edition
First teaching 2015
Last exams 2025
How to Reduce Ecological Footprints
Written by: Alistair Marjot
Reviewed by: Bridgette Barrett
Reducing Ecological Footprints
Ecological Footprints (EFs) measure the impact of human activities on the environment
They do this by calculating the area of land and water needed to sustain a particular human population
An EF is measured in global hectares (gha) per capita (i.e. hectares per person)
EFs take into account factors such as food consumption, transportation, and energy use
EFs can be used to compare the sustainability of different lifestyles, businesses, and even whole countries
If the EF of a lifestyle, business or country exceeds the area available to the population (also known as the biocapacity - the amount of resources that the planet can provide sustainably), it means that it is not sustainable in the long term
To reduce an EF, it is important to adopt more sustainable practices such as reducing meat consumption, using renewable energy sources, and using public transport or walking instead of driving
EFs are a useful tool for promoting sustainable development and for raising awareness about the impact of human activities on the environment
The ecological footprint of various countries, expressed as the number of hectares of land required to sustain the current standard of living in that country - Elias, Scott (2015) Global Change Impacts on the Biosphere
The ecological footprint of various countries can also be displayed in map-form
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