All Smithsonian museums and the National Zoo are closed due to the federal government shutdown.
National Museum of Natural History
10th Street and Constitution Avenue, NW
1st Floor, Center, behind escalators, near HoloGlobe (Hall 10) Floor Plan
This hands-on, interactive exhibition explains the effects of greenhouse gases and explores how people can reduce their contributions to the greenhouse effect. "Explainers" are on hand to answer visitors' questions.