The Trump administration is waiving environmental reviews to replace a stretch of border wall in Calexico, California.
The notice published Tuesday in the Federal Register says the waiver extends 3 miles (5 kilometers) west from the downtown border crossing in the city of 40,000 people.
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The Department of Homeland Security will replace an airstrip landing-mat style fence about 14 feet (4.3 meters) high with a bollard-style fence up to 25 feet (7.6 meters) high.
People crossing the border illegally in that area often try to swim the polluted New River.
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It marks the seventh time the federal government has waived environmental reviews under a 2005 law. Last month, it waived reviews for a 15-mile stretch in San Diego.
Critics say the waivers are an overreach and a threat to the environment.