On September 18th, thousands of people around the world will spend the day sitting in parking spaces - without their cars - as part of an annual event called "Parking Day." The idea is to spark a conversation about how we're using our public spaces. The Environment Report's Nora Flaherty attended last year's Parking Day, and here's what she found.

"The Federal Emergency Management Agency is being sued again over accusations that it violated the Endangered Species Act by issuing flood insurance without determining whether development would impact imperiled plants and animals."

"AUSTIN, Texas -- A cancer-causing sealant that covers thousands of parking lots, school playgrounds and driveways in Austin and Travis County has officials debating over its effect on human health."

"Some 60,000 metric tons of radioactive waste is stored at nuclear power plants across the country, awaiting federal action that’s already a decade late."

"Many urban streams have become salty enough to harm aquatic life, largely because of salt used for deicing roads in the winter, according to a new government study released Wednesday."

"About 50 medical waste incinerators nationwide will have to reduce their air pollution under new regulations announced Wednesday by the Environmental Protection Agency."

"The Obama administration signaled Wednesday that it would scrap a controversial Bush-era rule that set stricter limits for smog but fell short of scientific recommendations."

"The Interior Department announced on Wednesday that it was ending an oil and gas royalty program that ignited a scandal last year when it was disclosed that federal employees had engaged in corruption, drug use and sexual misconduct with oil industry officials."