The rate of species extinction on earth

The rate of species extinction on Earth is currently very high-perhaps as high as it has been since the time of the dinosaur extinction. Which of the following human actions is not a major cause of this high extinction rate? (2 points)

Deforestation caused by logging and the overharvesting of timber

Damming and diverting the flow of rivers

Poaching and illegal trafficking in wildlife

Climate change caused by the burning of fossil fuels

Designating areas of wilderness as public lands