What is Greenwashing?

Andrea Romi, certified public accountant and graduate student in the Sam M. Walton College of Business, replies: Greenwashing is a term used by many to describe the practice by individuals or organiz...

How do biosensors work?

Vijay Varadan, Twenty-First Century Endowed Chair in Nano- and Bio-Technologies and Medicine and Chair in Microelectronics and High Density Electronics; director of the High Density Electronics Cente...

What is a carbon footprint?

Nick Brown, executive assistant for sustainability at the University of Arkansas, replies: A carbon footprint is the amount of greenhouse gases, mostly CO2, but also methane, chlorofluorocarbons and ...