This book presents peer reviewed articles from The 1st National Conference on Climate Resilience and Environmentally Sustainable Technologies (NITK-CREST 2025) held on 27 February-01 March at Surathkal in India. The Conference themes include sustainable materials and waste management (advanced nanomaterials), sustainable water management and conversion (wastewater treatment), renewable energy and sustainable technologies (hydrogen production, batteries, fuel cells, supercapacitors), air quality and pollution control (environmental remediation), climate change (carbon capture, utilization,...