Original sentence: Because most of the earth's human-occupied land is used for agriculture, vertical farming may be the only way to restore enough land for animal habitat to prevent extinction while continuing to sustain large human populations.Withdrawing human activity from large areas of the earth's land surface may be necessary to slow and eventually halt the current anthropogenic mass extinction of land animals
Edited sentence: Because most of the Earth's human-occupied land is used for agriculture, vertical farming may be the only way to restore enough land for animal habitat to prevent extinction while continuing to sustain large human populations.Withdrawing human activity from large areas of the Earth's land surface may be necessary to slow and eventually halt the current anthropogenic mass extinction of land animals