Extreme weather conditions threaten food supplies and degrade the environment in developing countries. A country's physical environment is critical to the health of the people, according to Linda Doull of the Merlin Charity.

First broadcast:
4 March 2004

Students could list the factors that contribute to the difference in development around the world, and produce a flow diagram of the sequence of events that hampers development in each case.This can be used in the study of climate change and which countries and people will be most affected by it.