Profile Photo Image Email rjm134@psu.edu Telephone (814) 865-5986 456 Agricultural and Industries Building Shortlidge Road University Park, PA 16802 IEE Research Themes Climate and Natural Systems Affiliate Researcher In the News Feb 17, 2025 | publicnewsservice.org PA farmers urged to minimize manure input on fields during winter Dec 2, 2022 | agsci.psu.edu Turning the tide Jun 30, 2022 | psu.edu Manure Expo focuses on farm-level agronomic, economic and environmental advances Aug 4, 2017 | psu.edu Institutes of Energy and the Environment seed grant recipients announced Projects Toward a Lower-Carbon Food System: Quantification of Methane Emissions from Animal Agriculture