As climate-related wastewater threats grow, U.S. and Mexico sign a deal to end the Tijuana sewage crisis
… Experts say wastewater infrastructure updates are crucial as populations continue to boom in cities like Tijuana and climate-fueled flooding triggers sewage overflows around the United States. However, these projects can be costly and time consuming. Delayed fixes leave many communities exposed to bacteria-laden waterways, particularly along the coast, where sea-level rise poses a dual threat to outdated infrastructure. The Tijuana River is widely considered one of North America’s most degraded waterways. The river winds through urban areas in Mexico, where communities dump sewage, trash and other waste directly into the water or onto the streets, where it can wash in during a storm. … [T]he problem is especially bad during heavy rainfall events such as the atmospheric rivers that hit the West Coast.
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