When the Aral Sea dried up, Central Asia became dustier
A rusty fishing boat rests on what was once the bottom of the Aral Sea. Credit: Gilad Rom/Wikimedia Commons, CC BY 2.0
Winds kick up large amounts of dust from the desert that has formed as the world's fourth largest lake has disappeared, spreading it around the region and raising concerns about public health.
In 1959, officials in…