Another example of NYT creative visualizations. A lot of questions can be asked and certainly a great vehicle for anyone trying to teach choropleth maps.
The United Nations Environmental Program (UNEP) has just released a new publication “Africa: Atlas of Our Changing Environment”. Using current and historical satellite images it intends to demonstrate the impact that natural and human activities have had on the continent’s environment over the past several decades.
This site contains downloadable versions of the atlas in both English and French. Also included are powerpoints, posters, satellite images, graphics, and interactive maps.