The Ecological Citizen Vol 3 Suppl C 2020: 39–45
The 'Half Earth' goal for protecting biodiversity is rightly gaining momentum, yet most discussions say little about how to implement a goal that would require we expand protected areas on land four-fold and in the sea 20-fold. This article gives an overview of the specific steps that would take us far towards assuring that at least half of our planet is wild and complete in its biota. The suggested steps are essential to stemming the extinction and climate crises. However, they will not be sufficient if the human overpopulation problem – too many people consuming too many resources – is not also addressed.