Green chemistry is being employed to develop revolutionary drug delivery methods that are more effective and less toxic — and could benefit millions of patients.

University of Nottingham scientists have been instrumental in helping to establish a pioneering branch of chemistry in Ethiopia.

As products made with nanometer-scale materials and devices spread to more industries and markets, there is a growing opportunity and responsibility to leverage nanotechnology to reduce pollution, conserve resources and, ultimately, build a "clean" economy, advises a new report from the Project on Emerging Nanotechnologies.