20.1 Demography and Population
To learn more about population concerns, from the new-era ZPG advocates to the United Nations reports, check out the Population Connection web site.
Explore an interactive version of the population pyramid for each country, and to see updates and changes over time: at this website.
Interested in learning more about the latest research in the field of human ecology? Visit the Society for Human Ecology web site to discover what’s emerging in this field.
Getting from place to place in urban areas might be more complicated than you think. Read the latest on pedestrian-traffic concerns at the Streetsblog web site.
20.3 The Environment and Society
Visit the Cleanups in My Community web site to see where environmental hazards have been identified in your backyard, and what is being done about them.
What is your carbon footprint? Find out using the carbon footprint calculator.
Find out using the water footprint calculator.