| Ms | Robyn | Henderson | NSW Department of Primary Industries and Regional Development | Australia | Agricultural and Biological Sciences | Invertebrates | Best Researcher Award | environmentalscientists.org |
| Prof | Robson | Andreazza | UFPel | Brazil | Environmental and Sustainable Materials | Materiais sustentáveis | Outstanding Contributions in Academia Award | environmentalscientists.org |
| Assoc. Prof. Dr | Robson | Andreazza | Universidade federal de pelotas | Brazil | Environmental Science | Materiais sustentáveis | Excellence in Scientific Innovation Award | environmentalscientists.org |
| Prof. Dr | Roberto Giovanni | Carbone | University of Genoa | Italy | Immunology and Microbiology | COVID-19 and Interstitial Lung Disease | Research Excellence Award | environmentalscientists.org |
| Dr | Robert | Pomeroy | UC San Diego | United States | Environmental Science | Environmental Metabolomics | Best Researcher Award | environmentalscientists.org |
| Dr | Róbert | dr. Szendi | University of Debrecen | Hungary | Biochemistry, Genetics and Molecular Biology | Nutrition,microbiome and metabolic health | Research Excellence Distinction Award | environmentalscientists.org |
| Assist. Prof. Dr | Ritu | Kumari | Lovely Professional University | India | Biology and Life Sciences | botany | Best Researcher Award | environmentalscientists.org |
| Mr | Rinal | Prasad | University of Fiji | New Zealand | Renewable Energy Technologies | Renewable Energy Management | Best Researcher Award | environmentalscientists.org |
| Mr | Rifeng | Guo | Inner Mongolia Agricultural University | China | Agricultural Science and Innovation | Agriculture | Research Excellence Award | environmentalscientists.org |
| Assoc. Prof. Dr | Rifat | Olgun | Akdeniz University | Turkey | Others | Landscape Architecure | Best Researcher Award | environmentalscientists.org |
| Dr | Ridha | Guebsi | INRS | Canada | Agricultural Science and Innovation | Drone system technology | Best Researcher Award | environmentalscientists.org |
| Dr | Richard | Usang | Heineken UK | United Kingdom | Environmental Science | Environmental Monitoring and Management | Best Researcher Award | environmentalscientists.org |
| Dr | Reza | Fatahi-Alkouhi | University of Isfahan | Iran | Environmental Science | Hydraulic and Hydro-geology Engineering | Best Researcher Award | environmentalscientists.org |
| Ms | Reyihanguli | Tudi | Xinjiang Normal University | China | Others | optical | Best Researcher Award | environmentalscientists.org |
| Dr | Revappa | Mohan Kumar | University of Agricultural Sciences | India | Agricultural and Biological Sciences | Agronomy & Natural Resource Management | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Renata | Marks-Bielska | University of Warmia and Mazury in Olsztyn, Poland | Poland | Economics, Econometrics and Finance | land use policy, bioenergy, logal and regional development, entrepreneurship | Best Scholar Award | environmentalscientists.org |
| Dr | Raziyeh | Teimouri | university of South Australia | Australia | Environmental and Sustainable Materials | Urban Environmental Planning | Best Research Article Award | environmentalscientists.org |
| Assist. Prof. Dr | Rawdha | Kessentini | iset Sfax tunisie | Tunisia | Engineering | mechanical, biosourced materials | Women Researcher Award | environmentalscientists.org |
| Mr | Raúl | Fernández Guijo | Universidad de Valladolid | Spain | Others | Ciencia y tecnología de los alimentos | Best Researcher Award | environmentalscientists.org |
| Dr | Rashmi | Kumari | Pennsylvania State University | United States | Medicine and Health Sciences | Diabetes and its complications | Women Researcher Award | environmentalscientists.org |