MIDDLEBURY, Vt. ? On Monday, Oct. 30, at 4:30 p.m., Steve Curwood, a National Public Radio executive producer and host of the award-winning weekly environmental news program, “Living on Earth,” will deliver a lecture titled “Media and the Environmental Crisis.” The event, which is the annual Robert W. van de Velde Jr. ‘75 Memorial Lecture, will take place in Room 220 of McCardell Bicentennial Hall and is free and open to the public.