Awards

Two Carnegie Scientists Named 2025 Highly Cited Researchers

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Global Ecology Plant Science
Joseph A. Berry and Lorenzo Rosa have been named among Clarivate's 2025 Highly Cited Researchers.
Date
Scientist
Dr. Joe Berry - Emeritus Dr. Lorenzo Rosa
Division
Biosphere Sciences & Engineering
Joe Berry and Lorenzo Rosa

Joseph A. Berry and Lorenzo Rosa have been named to Clarivate’s 2025 Highly Cited Researchers list—an honor reserved for the top 1 in 1,000 scientists worldwide whose publications have shaped the direction of global research. Clarivate’s Web of Science tool tracks and analyzes academic publishing and other scholarly research. This recognition highlights two generations of Carnegie excellence, from early photosynthesis research to modern solutions for climate resilience and sustainable resource use.

Joe Berry: A Photosynthetic Legacy

Joseph Berry perches above the rainforest canopy in a field tower in order to monitor carbon circa 2008. His research has been cited more than 45,000 times. Image Rights: Carnegie Science. 

For more than 50 years, Joseph A. Berry has redefined how scientists understand plant life and its connection to the planet. His work stretches from early studies of plant carbon metabolism in the 1960s all the way to monitoring photosynthesis from space today.

Berry’s landmark 1980 paper introducing the classic C₃ photosynthesis model—cited nearly 7,000 times—remains one of the most influential frameworks in plant biology, illuminating how plants capture carbon and power their growth. Other highly cited research on carbon isotope discrimination and temperature responses in plants guides today’s studies of climate impacts, ecosystem dynamics, and global carbon cycling.

With 240+ publications, 45,000+ citations, and an h-index of 91, Berry is recognized as one of only 159 highly cited scientists listed in Clarivate’s Geosciences category. He is a fellow of the American Geophysical Union (AGU) and the American Association for the Advancement of Science (AAAS) and a member of the National Academy of Sciences. 

Lorenzo Rosa: Sustainable Solutions 

Lorenzo Rosa
Lorenzo Rosa researches innovative technologies to tackle climate mitigation and adaptation within the interconnected food-energy-water systems. With more than 6,000 citations, his body of work emphasizes sustainable solutions that help balance resource demands and enhance resilience under the pressures of a warming climate.

Lorenzo Rosa represents the next wave of impactful Carnegie research—one focused on helping humanity plan for and mitigate the pressures of climate change. His work assesses innovative technologies and strategies within the food–energy–water nexus, tackling questions at the heart of global sustainability.

His 59 publications have been cited more than 5,000 times, including his most-cited paper, Global agricultural economic water scarcity, which has accumulated 520 Clarivate-indexed citations. His research is already reshaping our understanding of food production, water resources, and clean energy transitions. He is recognized as one of only 239 highly cited scientists in the Clarivate’s Environment and Ecology group. 

He has been recognized with other major honors, including the AGU Science for Solutions Award, the AGU Hydrology Research Grant, and a place on Forbes 30 Under 30 for Science & Technology.

Berry and Rosa represent different eras of Carnegie Science, but their work shares a common thread: ambitious, curiosity-driven research that advances our understanding of Earth’s systems and helps shape a more sustainable future.