Frontiers in Water-Energy-Nexus—Nature-Based Solutions, Advanced Technologies and Best Practices for Environmental Sustainability-Proceedings of the 2nd WaterEnergyNEXUS Conference, November 2018, Salerno, Italy Frontiers in Water-Energy-Nexus—Nature-Based Solutions, Advanced Technologies and Best Practices for Environmental Sustainability ISBN: 9783030130671 Advances in Science, Technology & Innovation Advances in Science, Technology & Innovation-Frontiers in Water-Energy-Nexus—Nature-Based Solutions, Advanced Technologies and Best Practices for Environmental Sustainability