This publication preserves the abstracts contributed and delivered during the Research and Innovation Week (RIW) 2025 at Technology Park Mang'u Campus. The event showcased pioneering research and innovative solutions aimed at advancing sustainability across various disciplines. The abstracts are the sole responsibility of their respective authors. Their inclusion does not imply endorsement or official approval by the RIW 2025 organizing committee, Zetech University, or any affiliated institutions and sponsors. Furthermore, the content of these abstracts does not necessarily reflect the views, policies, or positions of any government, organization, or institution associated with the event. Readers are encouraged to regard these abstracts as individual scholarly contributions to the ongoing discourse on sustainable innovation.