Multiple reports describe the Caspian Sea as shrinking rather than undergoing a temporary natural cycle. The sea is becoming warmer and shallower, trends that are associated with harmful environmental and economic impacts. The Caspian Sea is the world’s largest inland body of water, and sources state that it has lost a substantial area—described as nearly the size of Sicily—indicating a large-scale reduction in surface extent. The reporting emphasizes that the change is not presented as a normal fluctuation or part of a longer-term natural pattern. Instead, the accounts attribute the ongoing shrinkage to human activities that influence factors such as water balance and local environmental conditions. Together, the sources frame the situation as a continuing, measurable decline with consequences for ecosystems and for communities that depend on the sea and its resources. While specific mechanisms are discussed at a general level across the summaries provided, the shared conclusion is that the Caspian Sea’s current retreat is driven largely by human influence rather than natural cycling.