| Dr | AISHWARYA | CHAUHAN | Indian Pharmacopoeia Commission | India | Environmental Risk Assessment | Best Researcher Award | |
| Ms | POOJA | CHAUDHARY | Madan Mohan Malaviya Engineering College: Madan Mohan Malaviya University of Technology | India | Others | Best Researcher Award | View Profile |
| Mr | Gyanendra Kumar | Chaturvedy | National Institute of Technology, Hamirpur | India | Solid Waste Management | Best Researcher Award | |
| Dr | zabih | charrahy | uni tehran | Iran | Environmental Engineering | Lifetime Achievement Award | |
| Dr | Paul | Chapman | University of Oxford | United Kingdom | Transportation Engineering | Best Researcher Award | View Profile |
| Mr | Jiaxiao | Chao | Anqing Vocational and Technical College of Anhui Province | China | Sustainable Development | Best Researcher Award | |
| Mr | Sabir | Changazi | Riphah Institute of System Engineering (RISE), Islamabad | Pakistan | Urban Planning | Best Researcher Award | View Profile |
| Assist. Prof. Dr | Pravesh | Chandra | Moradabad Institute of Technology | Iran | Water and Wastewater Treatment | Best Researcher Award | View Profile |
| Dr | Kamlesh | Chandra | Homi Bhabha National Institute | India | Materials Science and Engineering | Best Researcher Award | View Profile |
| Prof | Noël | Challamel | UBS | France | Structural Engineering | Research Excellence Award | View Profile |
| Mrs | Genesis Camila | Cervantes | Universidad de Minho | Portugal | Materials Science and Engineering | Young Scientist Award | View Profile |
| Mr | Oliver | Cernero | Austin College | United States | Environmental Chemistry | Best Researcher Award | View Profile |
| Dr | Sheriff | Ceesay | West African Science Service Center on Climate Change and Adapted Land Use (WASCAL) Cheikh Anta Diop University, Dakar | Gambia | Climate Change Mitigation and Adaptation | Best Researcher Award | View Profile |
| Prof | Kültiğin | Çavuşoğlu | Giresun University | Turkey | Environmental Risk Assessment | Best Researcher Award | |
| Dr | Michele | Cassetta | University of Trento | Italy | Environmental Engineering | Best Researcher Award | |
| Dr | Francisca | Carreño | Mineral raw materials and materials technology centre (CTM) | Spain | Others | Best Researcher Award | View Profile |
| Dr | Qiong | Cao | JD.com | China | Transportation Engineering | Best Researcher Award | |
| Prof | Xiaofei | Cao | Wuhan University of Technology | China | Structural Engineering | Best Researcher Award | View Profile |
| Ms | Ying | Cao | Zhengzhou University | China | Water and Wastewater Treatment | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Jose | Cantalice | Rural Federal of Pernambuco University/Texas A&M University | Brazil | Environmental Engineering | Excellence in Research | |