This 30 minute video lists human activities and their threats to biodiversity.

In the second lecture of the series "Biodiversity in the Age of Humans," Dr. Elizabeth Hadly of Stanford University reveals how human activities have caused the extinctions of many species in the past and the present. Human population growth is driving habitat destruction and climate change, both direct threats to biodiversity.

Visit the BioInteractive series page for related videos, and supporting materials for the classroom: http://www.hhmi.org/biointeractive/bi...