Folks, I am interested in finding science centers or children's museums which have developed hands-on exhibits about water pollution. I am in the process of exploring new interactive exhibit ideas for the McAllen International Museum, an art and science museum in McAllen, Texas. There is a great deal of interest in our area in pollution of river water because of the possible connection of birth defects, principally anencephaly, and other health problems due to pollution of the Rio Grande River. Thanks for your help. Please email me directly any info: Mary Catherine Cloud [log in to unmask]