Unexpected environmental change due to nano-tech

Unexpected environmental change due to nano-tech

Wild Card's progress: nominated

The source of this Wild Card: 
Millennium Project, State of the Future 2007, Chapter 4

Wild Card's description 
Nanosensors designed to detect trace concentrations of biochemicals lead to absorption of nanoparticles into the body and environment, concentrating in water and soil, and eventually linking with natural organisms, causing unknown environmental changes.