Professor Macpherson and students featured in KU alumni magazine

Lessons for a Thirsty World - KU Hydrogeology Seeks Solutions: Among the many discoveries Macpherson and her students have made is that the amount of carbon dioxide in groundwater is increasing just as it is increasing in the atmosphere, except that carbon dioxide is increasing about seven times faster in groundwater than the atmosphere. As the amount of carbon dioxide has increased, so has the rate of weathering.