Percentage of World Population Using Solid Fuels

The reason I like this map is because of the use of colors to emphasize where the highest percentage of solid fuels are consumed. The red and yellow colors stand out on their own, but the absence of color for the countries that have a low percentage of consumption emphasize the areas that do have a high percentage of consumption. This draws the attention of the reader to the important areas of the map and is effective in creating a visual guide.

World Health Organization