Dr. Sherwood Lollar has revolutionized the development of innovative mechanisms for groundwater remediation. In 2013 Canadian Geographic magazine listed her among the Ten Canadians “Changing the World” for her discovery of the “billion-year-old water” and its implications for life on other planets. This discovery was recognized as one of the Top Ten Science Stories that year. Dr. Sherwood Lollar has been the recipient of multiple distinguished awards including the 2021 Massey Medal from the Royal Canadian Geographical Society, the Canada Council Killam Prize in the field of Natural Sciences (2020), the 2019 Gerhard Herzberg Canada Gold Medal for Science and Engineering (NSERC’s highest honour), the 2019 C.C. Patterson Award for environmental chemistry, and the 2012 Eni Award in Protection of the Environment. She is an elected member of the U.S. National Academies (2021), a Fellow of the Royal Society of London (2019), the Royal Society of Canada (2004), the American Geophysical Union (2015), the Geochemical Society, the European Association of Geochemistry (2019), and the Royal Canadian Geographic Society (2019).