For the environment, nanotechnology may be a double-edged sword. Nanoparticles hold promise in cleaning up contaminated soils and water. Yet some studies hint at possible danger to wildlife.

• 对于环境来说，纳米技术可能是一把双刃剑。纳米微粒有望解决土壤和水的污染问题，然而有些研究暗示可能危害野生生物.