Humans extract many resources from the Earth that can then be turned into ... it is being used up Some resources are at risk of rapid depletion because they are scarce or being used up quickly.

No mention was made in the article of resource depletion and environmental degradation ... Thomas Malthus warned that the human population on Earth was far outpacing the planet’s ability to ...

Environmentalists say it's vital we stop eroding Earth's natural resources. Mathis Wackernagel ... So, realistically, can the ecological depletion be reversed? For Mathis Wackernagel, that's ...

resource depletion, wars, socioeconomic threats and other causes on Earth,” the scientists write. “Our initial focus will be on cryopreserving animal skin samples with fibroblast cells.” ...