Report summary

For Harvard University Department of Environmental Health in 2021-2023, the graph shows 65 visible PIs and 121 internal PI collaborations. The dominant subject mix is Medicine as the leading field (29% of slots across 38 PIs; 38 labels), Health, Toxicology and Mutagenesis as the leading subfield (16% of slots across 27 PIs; 27 labels), and Air Quality and Health Impacts as the leading topic (8% of slots across 15 PIs; 15 labels). That is a healthy pattern, with enough links to reveal several interpretable groups rather than one undifferentiated component. The top weighted PIs are Jorge E. Chavarro (30.3 weighted works; Ovarian function and disorders, Reproductive Health and Technologies). The most visible ties are Jorge E. Chavarro and Lidia Mínguez‐Alarcón (37 shared works, weight 22.1). The standout breakdown groups are group 1 with 9 PIs, 8 internal connections, weight 13.3, around Molecular Biology, Health, Toxicology and Mutagenesis, Pulmonary and Respiratory Medicine, led by David C. Christiani, Philip Demokritou, Kee Woei Ng.