Connected to agriculture, forestry, mining, and urbanization, what is the single biggest cause of extinction today?
global warming
freshwater loss
hunting
habitat loss
The single biggest cause of extinction today is habitat loss . Agriculture, forestry, mining, and urbanization have disturbed or destroyed more than half of Earth’s land area. In the U. S. , for example, more than 99 percent of tall-grass prairies have been lost. Other causes of extinction today include:.