How salt built the global economy and how the U.S. uses it today

Wars were fought over it, roads paved for its trade, taxed levied against it and even cities named for its legacy. Salt, in fact, made global economics possible. Now, salt's biggest use is to keep roads safe. The global market for salt was worth over an estimated $13 billion in 2021. But the increased salinization has contaminated drinking water and soils, causing billions in damages. Watch the video above to learn more about the history of salt and the possible solutions for a saltier world.