This issue of Greensusmater (Vol. 2 No. 1, 2025) presents a collection of studies at the intersection of sustainable materials science and environmental engineering. The highlighted works explore advanced nanofiber membranes for dye and fatty acid removal, including zeolite-enhanced PAN/PVDF composites and edible bird’s nest-derived nanofibers. Other contributions delve into the optimization of PVDF-co-HFP polymer systems for tunable membrane properties and activated carbon from natural biomass for cooking oil purification. A theoretical study on k-point mesh density for accurate DFT modeling of graphene rounds out the issue, offering a balanced perspective of experimental and computational advancements.

This issue focuses on innovative research in developing materials for water treatment, highlighting sustainable solutions that address pressing environmental challenges. The featured articles explore various topics, including Advanced filtration technology, nanotechnology applications, photocatalytic processes, and sustainable materials development. 
The issue serves as a platform for showcasing cutting-edge research that merges material science with environmental engineering, emphasizing innovation and practicality in tackling global water challenges. It aims to inspire interdisciplinary collaboration and drive advancements in the pursuit of green and sustainable solutions. 

We are proud to present the inaugural issue of Green and Sustainable Materials, showcasing cutting-edge research on innovative materials designed to address environmental challenges. This issue features a collection of original studies and reviews that highlight the development, characterization, and application of green and sustainable materials in environmental remediation.