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 |