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The Conversation USA

Oversalting your sidewalk or driveway harms local streams and potentially even your drinking water – 3 tips to deice responsibly

  • Written by Steven Goldsmith, Associate Professor of Environmental Science, Villanova University
imageConservation organizations recommend using one 12-ounce coffee mug of deicer for every 10 sidewalk squares.Joe Lamberti/Getty Images News via Getty Images

Snow has returned to the Philadelphia region, and along with it the white residues on streets and sidewalks that result from the over-application of deicers such as sodium chloride, or rock salt,...

Read more: Oversalting your sidewalk or driveway harms local streams and potentially even your drinking water...

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  1. Can shoes alter your mind? What neuroscience says about foot sensation and focus
  2. All foods can fit in a balanced diet – a dietitian explains how flexibility can be healthier than dieting
  3. NASA’s Artemis II crewed mission to the Moon shows how US space strategy has changed since Apollo – and contrasts with China’s closed program
  4. Repeated government lying, warned Hannah Arendt, makes it impossible for citizens to think and to judge
  5. Minnesota raises unprecedented constitutional issues in its lawsuit against Trump administration anti-immigrant deployment
  6. Groundhogs are lousy forecasters but valuable animal engineers – and an important food source
  7. A more complete Latin American history, including centuries of US influence, helps students understand the complexities surrounding Nicolás Maduro’s arrest
  8. Ending tax refunds by check will speed payments, but risks sidelining people who don’t have bank accounts
  9. US hospitality and tourism professors don’t mirror the demographics of the industry they serve
  10. Where do seashells come from?
  11. Malaria researchers are getting closer to outsmarting the world’s deadliest parasite
  12. How Trump’s Greenland threats amount to an implicit rejection of the legal principles of Nuremberg
  13. Artificial metacognition: Giving an AI the ability to ‘think’ about its ‘thinking’
  14. Political polarization in Pittsburgh communities is rooted in economic neglect − not extremism
  15. What we get wrong about forgiveness – a counseling professor unpacks the difference between letting go and making up
  16. Rebirth of the madman theory? Unpredictability isn’t what it was when it comes to foreign policy
  17. Why too much phosphorus in America’s farmland is polluting the country’s water
  18. Marine protected areas aren’t in the right places to safeguard dolphins and whales in the South Atlantic
  19. How the polar vortex and warm ocean are intensifying a major US winter storm
  20. How the polar vortex and warm ocean intensified a major US winter storm
  21. ICE immigration tactics are shocking more Americans as US-Mexico border operations move north
  22. ‘We want you arrested because we said so’ – how ICE’s policy on raiding whatever homes it wants violates a basic constitutional right, according to a former federal judge
  23. Dogs can need more than kibble, walks and love − consider the escalating expenses of their medical care before you adopt
  24. Your brain can be trained, much like your muscles – a neurologist explains how to boost your brain health
  25. Rheumatoid arthritis has no cure – but researchers are homing in on preventing it
  26. Feeling unprepared for the AI boom? You’re not alone
  27. Is being virtuous good for you – or just people around you? A study suggests traits like compassion may support your own well-being
  28. Doing things alone is on the rise, and businesses should pay more attention to that – even on Valentine’s Day
  29. Dealing with a difficult relationship? Here’s how psychology says you can shift the dynamic
  30. The rise of Reza Pahlavi: Iranian opposition leader or opportunist?
  31. AI-induced cultural stagnation is no longer speculation − it’s already happening
  32. ‘Expertise’ shouldn’t be a bad word – expert consensus guides science and society
  33. Trump’s insistence on personal loyalty from ambassadors could crimp US foreign policy
  34. Hacking the grid: How digital sabotage turns infrastructure into a weapon
  35. Lebanon’s orchards have been burnt, wildlife habitat destroyed by Israeli strikes – raising troubling international law questions
  36. Companies are already using agentic AI to make decisions, but governance is lagging behind
  37. US turns its back on global efforts for women and children terrorized by violence and conflict
  38. A government can choose to investigate the killing of a protester − or choose to blame the victim and pin it all on ‘domestic terrorism’
  39. When it comes to developing policies on AI in K-12, schools are largely on their own
  40. Bearing witness after the witnesses are gone: How to bring Holocaust education home for a new generation
  41. From ancient Rome to today, war-makers have talked constantly about peace
  42. Antibiotic resistance could undo a century of medical progress – but four advances are changing the story
  43. Filming ICE is legal but exposes you to digital tracking – here’s how to minimize the risk
  44. Federal immigration enforcement near schools disrupts attendance, traumatizes students and damages their academic performance
  45. America’s next big clean energy resource could come from coal mine pollution – if we can agree on who owns it
  46. Despite its steep environmental costs, AI might also help save the planet
  47. Why ‘unwinding’ with screens may be making us more stressed – here’s what to try instead
  48. America’s next big critical minerals source could be coal mine pollution – if we can agree on who owns it
  49. The only thing limiting Taylor Swift’s popularity is partisan polarization
  50. Trump’s stated reasons for taking Greenland are wrong – but the tactics fit with the plan to limit China’s economic interests