A map of New Orleans, showing the progression of the saltwater wedge, and when it’s slated to reach various neighborhoods on its march through the city. The dates are over the next month.

Midwestern droughts have reduced the flow of the Mississippi. Groundwater depletion has caused coastal land to sink below sea level. Sea-temperature increases raised the sea level in the Gulf. The result: rising ocean waters are out-competing the Mississippi flow, pushing up the riverbed, and will reach New Orleans’ water treatment plant. The city’s water supply will be undrinkable, while the salt leaches poisons out of lead pipes. They have one month.

We did this. https://www.nytimes.com/interactive/2023/09/29/climate/new-orleans-saltwater-map.html?unlocked_article_code=YY1Ts4O8PDO2TJgPZYi6Tldxm_uNeKHVvgkg4EgPZmqT4AIKqK7EMYfP3LFe8RlVhSfU8mpQK75rHcnO2Ox59Lh05bgzthiJxc73KZqvQ9bJmSIMPEWOxFuAtwqukSYV0BfzL9JQrhrd6XcwQTCudtCWFwvxKfcjU1ZqEaNS9S_71QVaQ1zkdCsp7W5wZgXlJs-fyw_ZrF8HZUbLGsUL_bV8eWANJDBKOhZu4adbPjbyrVfrF91XtjEPjBABQPHd4eQGKOm-l5i2jam7pF6XnLOGPKcq3Pr7dA81OEbDs-L4o533ERGdU2XtTXAKVqULiIxb2gm94xFRCud-sCrTwfRtD6OmhBWVyHYvvoRTBWmtUA&smid=nytcore-ios-share&referringSource=articleShare

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A map of New Orleans, showing the progression of the saltwater wedge, and when it’s slated to reach various neighborhoods on its march through the city. The dates are over the next month.

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