Tag: runoff
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What’s Eating Iowa?
…and what’s in its water? “The nitrate here is usually between 20 and 25 milligram per liter.” Q: And wouldn’t the University of Iowa College of Public Health say they’d like to see that about five? “So any so for human consumption it must be below 10. We now know that drinking water should probably be…
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As climate change amplifies urban flooding, here’s how communities can become ‘sponge cities’
By Franco Montalto, Drexel University “When it rains, it pours” once was a metaphor for bad things happening in clusters. Now it’s becoming a statement of fact about rainfall in a changing climate. Across the continental U.S., intense single-day precipitation events are growing more frequent, fueled by warming air that can hold increasing levels of moisture.…
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Lahaina’s Wildfire Burned So Hot That Many Dangerous Contaminants Likely Vaporized
USGS scientist Renee Takesue collected sediment in a drainage ditch in Lahaina’s burn zone. Samples are being analyzed by independent labs to ascertain the levels of toxins present and to provide data to help guide remediation efforts in Lahaina. (David Croxford/Civil Beat/2024) Scientists, state officials and the Army Corps of Engineers are finding the burn…
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CAL MATTERS: California’s urban runoff flows down the drain. Can the drought-plagued state capture more of it?
The Los Angeles River as seen from the 7th street bridge on the east side of Downtown Los Angeles. After 24+ hours of heavy rain the river was not close to overflowing, but was running swift and well beyond the usual trickle that typically runs through this area. February 5, 2024. Photo by Jules Hotz…
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Even very low levels of pesticide exposure can affect fish for generations, study finds
Credit: Pixabay/CC0 Public Domain Fish exposed to some pesticides at extremely low concentrations for a brief period of time can demonstrate lasting behavioral changes, with the impact extending to offspring that were never exposed firsthand, a recent study found. The findings raise concerns not just for fish, but for all vertebrates that are exposed to…
