<human>:  Can you provide insight into the historical significance of the Aral Sea?
<bot>: The Aral Sea was once the fourth-largest lake in the world, located between Uzbekistan and Kazakhstan. It had a rich ecological system and benefited the local community through fishing, agriculture, and tourism. However, in the 1960s, Soviet irrigation projects diverted the two main rivers that fed the sea, leading to a dramatic decrease in size of the sea, creating a desert of exposed ocean floor. This has had far-reaching consequences, including creating a dust bowl of toxic dust storms, widespread air pollution, and the loss of a unique ecosystem. The Aral Sea has since become a symbol of the vulnerability of the environment and a warning to the planet of the consequences of human interference with the environment.