This book gathers peer-reviewed contributions presented at the F-EIR Conference 2021, Environment Concerns and its Remediation, held in Chandigarh, India, on October 18-22, 2021. The respective papers focus on environmental monitoring and remediation, and cover topics such as efficiency in the use of energy, water, resources and human capital, waste minimization & management, durability and sustainability of building materials, green technologies, environmental sustainability and resilience, renewable energy, prevention and management of water pollution, life cycle assessment, and climate change. Accordingly, the book offers a valuable, up-to-date tool and essential overview of the subject for scientists and practitioners alike, and will inspire further investigations and research.