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CARP SPECIES THREAT
In the 1970s, the US introduced four carp species to control weeds; decades later, these carp spread as far as Minnesota, threatening native fishFour Chinese carp species were imported to southern fish farms in the 1970s. These fish escaped into the Mississippi River system after flo...- In 1900, Chicago made its river flow backward to keep sewage out of Lake Michigan, redirecting the water toward the Mississippi Basin insteadChicago reversed its river flow in the late 1800s to protect its drinking water. This engineering feat sent waste away from Lake Michigan a...
- Study finds rare turtles, gharials in parts of YamunaThe filthy stretch of Yamuna in Delhi is often not acknowledged to be a river at all. But wildlife researchers studying the Yamuna say that...
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