Scientists are working hard to understand the impact of microplastic pollution in the environment and in human bodies. The research requires identifying and analyzing types of microplastics particles, which can range from 1 nanometer to 5 millimeters in size. Leonard Ortiz/MediaNews Group/Orange County Register/Getty Images hide caption
A government research project to assess the safety of BPA is beginning to show results. T-pool/STOCK4B/Getty Images hide caption
Manufacturers are not required to disclose if BPA, or other similar compounds, are used in their packaging. jmalov/Getty Images hide caption
Eastman Chemical went a step beyond calling Tritan plastic BPA-free, setting off a legal challenge. Eastman hide caption
PlastiPure helps manufacturers create water bottles and other plastic products that have no estrogenic activity. PlastiPure hide caption
FDA makes it official, banning the chemical BPA from baby bottles and sippy cups. Fabrizio Balestrieri/iStockphoto.com hide caption
A Harvard study found dramatically higher BPA exposure in people who ate canned soup. The researchers used different varieties of Progresso-brand vegetable soups, but BPA is found in the epoxy resins used to coat the inside of many food and beverage cans. Maggie Starbard/NPR hide caption
