"The soil is the great connector of our lives," author Wendell Berry once said. SENR professor, Nick Basta, has developed a low-cost way to treat the lead that contaminates soil in our cities. Lead in soil can make kids sick and makes the land unfit for gardens. His method is just a quarter the cost of the next-cheapest option—a big help for cash-strapped communities, especially ones ramping up urban farming.
Multimedia: