生态足迹计算器
使用生态足迹计算器衡量您的生活方式对地球资源的消耗程度。计算个人或家庭在食物、住房、交通和消费方面的生态足迹，了解需要多少个地球来支持您的生活。
Total Ecological Footprint
4.5 gha
Total Ecological Footprint vs Food Footprint
公式
Ecological Footprint
Your ecological footprint is the total area of productive land and water needed to produce what you consume and absorb your waste, measured in global hectares (gha).
Formula
Total Footprint = Food + Housing + Transport + Goods (all in gha)
Earths Needed = Total Footprint / Biocapacity per person
The world has about 1.6 gha of biocapacity per person. The average American uses about 8 gha, meaning if everyone lived like an American, we would need 5 Earths.
计算示例
A person with moderate consumption across four categories.
- 01Total = 1.2 + 0.8 + 1.5 + 1.0 = 4.5 gha
- 02Earths needed = 4.5 / 1.6 = 2.8 Earths
常见问题
What is a global hectare?
A global hectare (gha) is a productivity-weighted hectare used to measure ecological footprints. It accounts for different land productivities worldwide.
How many Earths are we currently using?
Humanity currently uses about 1.75 Earths worth of resources annually, meaning we consume more than the planet can regenerate in a year.
What has the biggest impact on my footprint?
For most people, transportation (especially flying) and food (especially meat) are the largest components. Housing energy and consumer goods follow.