World Soil Day Poster Drawing: World Soil Day 2025 is a meaningful occasion when many schools organise poster drawing competitions to help students spread awareness about soil protection in a creative ...

Decades after the United States banned lead-based paint in 1978 and phased out leaded gasoline by 1996, toxic lead particles continue to linger in urban soils, posing a significant threat to children.

Harvard researchers argue California should lower its cleanup goal for lead in soil from 80 milligrams per kilogram to 55 mg/kg. The scientists contend the state’s number is based on outdated science.