The World Trade Center Environmental Health Center is hosting a public health forum on Tues., Sept. 22 from 4:30-7:30 p.m. at Bellevue Hospital Center Old Medical Library, 8th floor, C/D building, on First Ave. between 27th and 28th Sts. “We’ve designed it so it can meet the needs of both people in the community who might have questions, to go talk about our program, what we’ve learned, what we see evolving as far as healthcare needs are concerned,” said Terry Miles, executive director of the health center. There will be a number of speakers, and after each presentation there will be a panel of experts to answer audience questions.