The Institute of Environmental Medicine (IMM) at Karolinska Institutet is organizing a conference of application of “Big Data” in environmental medicine. The goal is to discuss challenges for using large-scale data analysis and technology, in vitro and in vivo, in environmental medicine. Internationally renowned scientist experts have been invited to share their knowledge, results and their view on the way forward. A final panel discussion aims to allow the speakers and participants to come to shared conclusions and opinions.