This Special Issue, led by Guest Editors Prof. Panyue Zhang and Dr. Chengyun Zhou (Editor-in-Chief of AJWEP), aims to collect and publish high-quality, innovative research presented at the SDEE 2025 conference. Furthermore, we cordially invite submissions from experts and scholars worldwide who are unable to attend the conference, to foster academic exchange and advance knowledge in this field.

This Special Issue focuses on the core challenges of ecological and environmental sustainable development. Topics of interest include, but are not limited to:
1. Solid Waste Recycling and Management
2. Water and Wastewater Treatment Technology
3. Sustainable Soil Management
4. Ecological Restoration and Conservation
5. Carbon Neutrality Technology and Climate Change Mitigation
6. Environmental Functional Materials and Nanotechnology Applications
7. Environmental Policy, Management, and Social Equity Analysis