Professor Rattan Lal is among World’s Most Influential Scientists for Both Lifetime and Recent Research Impact according to the 2025 Scholar GPS Global Rankings.
Ohio State’s Rattan Lal continues to stand among the most influential scientists globally. Lal, a professor in the College of Food, Agricultural, and Environmental Sciences School of Environment and Natural Resources, has remarkable lifetime achievement—Lal is ranked #40 globally, and within his areas of expertise, Lal is ranked:
- #1 in Natural Resources, Carbon Sequestration, Land Degradation, Natural Environment, Soil Carbon, Soil Conservation, Soil Health, and Water Conservation
- #2 in Agriculture, Crop Residue, Crop Yield, and Soil Erosion
- #3 in Food Security and Sustainable Management
Lal also has top rankings in Cropping Systems (#4), Sustainable Agriculture (#4), Climate Change (#8), and Ecosystem (#10).
These rankings reflect Lal’s ongoing leadership in research areas critical to food security, climate resilience, and sustainable soil management.
The Scholar GPS rankings evaluate research impact using productivity, citations, and h-index. Lal’s record speaks volumes: approximately 1,200 refereed journal articles, 25 authored or co-authored books, 85 edited or co-edited books, and nearly 190,000 citations, as well as an h-index that stands at an extraordinary 208. He has mentored 425 professionals from many countries during his professional career.
Scholar GPS provides both lifetime and recent five-year rankings, highlighting Professor Lal’s sustained excellence and continued global impact.