The topics of interest include, may not be limited to, the following:

A. Sustainable renewable energy systems
• Batteries and energy storage
• Energy supply conversion
• renewable energy saving
• Energy efficiency
• Biomass energies
• Sustainable energies
• Wind energy
• Geothermal energies
• Hybrid energies
• Hydraulic energies
• Solar energy
• Energy management and quality
• Renewable energy governance

B. Agricultural systems and sustainability
• Transformation in agricultural systems
• Agricultural Biotechnologies
• Economy and food security
• Emergence of renewable energies
• Renewable energies in agriculture
• Farms with sustainability
• Energy management in agricultural areas
• Renewable innovation and applications
• Environmental quality of resources
• Smart energy agriculture networks
• Sustainable agricultural systems
• Sustainable farming systems
• Sustainable food systems

C. Environmental impacts
• Environmental and climate change
• Detection of hazardous substances
• Dynamics and environmental sustainability
• Gas emissions
• Sustainable energy and environment
• Waste and residue management
• Ecosystem management
• Sustainable management of resources
• Hydrology and ecosystems
• Impact and ecological engineering
• Pollution and waste treatment
• Global warming
• Smart sustainable cities

D. Supply and management of water resources
• Desalination and water treatment
• Water and renewable energies
• Watershed management
• Water treatment management
• Groundwater management
• Smart pumping and irrigation
• Protection of water resources
• Quality of drinking water
• Water quality
• Water recovery
• Water recycling and reuse
• Emission sources
• Environmental technologies of treatment

E. Diagnosis of failures in renewable energy systems
• Intelligent data acquisition
• Failures analysis
• Life cycle of renewable energy systems
• Faults detection and identification
• Diagnosis and fault tolerant control
• Diagnosis and monitoring systems
• Renewable energy systems reliability
• Maintenance of energy systems
• Decision making on diagnosis
• Supervision of smart irrigation systems
• Supervision of water treatment systems
• Autonomous systems
• Renewable energy monitoring systems

F. Sustainable materials and equipment
• Sustainable heating and cooling
• Air conditioning with renewable energies
• Sizing of renewable energy equipment
• Green equipment and technologies
• Green manufacturing
• Hydrogen and fuel cell
• Renewable hydrogen
• Insulation and energy efficiency
• Photovoltaic materials and cells
• New durable materials
• Energy security systems
• Green and clean technologies
• Smart cities and buildings