Over the past few centuries, human populations and their levels of resource use have exploded. This has led to an increasing loss of biodiversity, but the causes of that loss have changed over the years. Which factor is a much greater threat to biodiversity in the United States in the twenty-first century than it was in the previous two centuries?

Question

Quizplus · Accepted Answer

Climate change has become a much greater threat to biodiversity in the twenty-first century due to increased greenhouse gas emissions and global warming, which were not as significant in previous centuries.

Over the Past Few Centuries, Human Populations and Their Levels