PBS
Nova: World in the Balance: Human Population and Global Trends
A companion site to Nova's film that examines "human populations and environments." Find some fascinating facts in the interactive slide shows "Human Numbers Through Time," and "Global Trends Quiz."
Sophia Learning
Sophia: Population Growth: Lesson 2
This lesson will explain the determinants of population growth. It is 2 of 4 in the series titled "Population Growth."
Sophia Learning
Sophia: Population Growth: Lesson 3
This lesson will explain the determinants of population growth. It is 3 of 4 in the series titled "Population Growth."