More than 20 million metric tons of salt are poured on U.S. roads each winter, according to an estimate by the Cary Institute of Ecosystem Studies in New York, and the environmental costs are growing. New technologies, such as porous pavement, are being engineered to reduce runoff from roads and have been found reduce snow and ice cover. Unfortunately, no one's yet figured out a perfect alternative to salt, which is still the cheapest and easiest way to unfreeze roads. 2K views, 27 likes, 7 loves, 18 comments, 0 shares, Facebook Watch Videos from Dbstvstlucia: DBS MORNING SHOW & OBITUARIES 25TH APRIL 2023 APRIL 2023 No. They dont realize that this has a hidden consequence.. Maybe they just ride around on polar bears all winter. The 800-mile-long Trans-Alaska Pipeline, which starts at Prudhoe Bay on Alaskas North Slope, can carry 2 million barrels of oil per day south to the port of Valdez for export, equal to roughly 10% of the daily consumption in the United States in 20171. It's great for melting ice, and awful for just about everything else. And that's not even counting the cost of salting cities or rural roads. How 5G could send weather forecasting back to the 1970s, How the Wests megadrought is leaving one Arizona neighborhood with no water at all, Peak cherry blossom season in Washington, D.C. is early again, Electrify everything, California says including trucks and trains. It does the aforementioned to pipes that conduct drinking water, causing lead contamination in some places. Each week, we explore unique solutions to some of the world's biggest problems. The concept of smart salting encompasses a range of technologies and techniques. YouTube. Moose, elk, and other mammals visit natural salt licks to fill up on sodium. Why are we still salting our roads? - The Aggie While no perfect solution exists to keep our roads clear in winter, the number of tools available to public works departments continues to increase, allowing for a tailored approach to clear roads in an environmentally conscious manner without risking driver safety. They now use salt. Data source: U.S. Geological Survey. Innovative solutions that limit the amount of rock salt needed are also being explored. To learn more or opt-out, read our Cookie Policy. YouTube, Follow us on Road salt is imperiling US waterways. States might have a solution. Instagram, Follow us on (Baltimore Sun/Tribune News Service/Getty Images). Currently, only a small fraction (5%) of the sand dispersed in Rhode Island is removed; the rest gets washed away into adjacent water bodies: clouding the water and making it difficult for aquatic plants to photosynthesize. Road salt is basically sodium chloride much like table salt and, leftover after prehistoric oceans evaporated, with huge mines in Ohio, Michigan, New York, Kansas, and Louisiana. Please enter a valid email and try again. He notes that there are a handful of different ideas out there: software gives cities more precise weather forecasts to help them use salt more precisely.

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