Energy land. I drive a lot, and take plane far away every year. 5. It reduces to about 5 Earths would be needed to sustain this population. And the carbon dioxide reduces to 18 From this test I realize a lot, and know I have wasted a lot of social sources. The biggest part of my ecological footprint is Services, I think services comes from every part of my life, everyone need service from each other, but some of the service is not necessary. For example, I drink milk everyday, I buy the milk from…
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