Henry Howe, professor of biological sciences at the UI at Chicago and one of the driving forces behind the creation of a National Institute for the Environment, will speak at the UI on Wednesday. His talk - at 2 p.m. in 149 Environmental and Agricultural Sciences Building - will focus on why the nation needs an institute, similar to the National Institutes for Health, to coordinate and lobby for scientific research on environmental issues. Howe, along with Stephen Hubbell of Princeton University, is credited with originating the idea for the institute. In 1989, he and Hubbell formed a Committee for the Naional Institutes for the Environment to lobby Congress for creation of the institute. This past spring, legislation to that effect was introduced in Congress.