fa-check"></i><b>3.5.2</b> Hans Rosling’s 200 Countries, 200 Years, 4 Minutes</a></li>
</ul></li>
<li class="chapter" data-level="3.6" data-path="case-studies.html"><a href="case-studies.html#dust-in-the-wind-visualization-and-environmental-problems"><i class="fa fa-check"></i><b>3.6</b> Dust in the Wind: Visualization and Environmental Problems</a><ul>
<li class="chapter" data-level="3.6.1" data-path="case-studies.html"><a href="case-studies.html#global-carbon-emissions"><i class="fa fa-check"></i><b>3.6