Cars. Cows. Oil and natural gas leaks. The list of what is polluting our atmosphere and contributing to global warming is long and varied. Being able to accurately measure what’s happening is key.NIST is contributing to this critical measurement challenge in many ways. One approach being pursued uses a

Nobel Prize-winning technology called afrequency comb.Three of these scientists,NIST Fellow Nathan Newbury and scientists Ian Coddington and Kevin Cossel,are finalists for the2022 Samuel J. Heyman Service to America Medal, known as a “Sammie,” in the science, technology and environment cate