[Free Registration/Login may be required to access all resource tools.] In addition to habitat destruction, other human-caused problems are also threatening many species. These include issues associated with climate change, pollution,...

Explore the effect of overcrowding on a population, and play a game that demonstrates what happens as a population loses its space. Investigate cooperation in social groups, the benefits of sharing food and what happens when the system...

Explore the links among population growth, immigration, environment and support of the elderly in America. Conduct a role play and explore the options available to tackle problems caused by deomgraphic trends.

With India's population topping one billion, this page deals with both population growth and sustaining the current population in India.