1. Plant materials
o Introduction to plant materials
o Contribution of plant materials to SDG
o Algae
• Algae: Definitions, Types and Characteristics
• Algae production technologies
• Growth of micro-algae
• Algae based Bioreactor
• Algae based Biochar
• Using Algae in drugs
• Role of Algae in circular bio-economy
• Algae assisted microbial fuel cell
• Potential of algae in combating covid-19
• Biofuel production from algae
• Using Algae in Desalination
• Using Algae as Biosorbent
• Algae based bio-refinery
• Using Algae in waste water treatment
• Pyrolysis of algae
o Straw
• Straw: Definitions, Types and Characteristics
• Biochar from Rice straw
• Cotton straw Biochar
• Barley straw as Biosorbent
• Rice straw as Biosorbent
• Wheat straw as bio-fuel
• Bioethanol production from straw
• Biofuel production from straw
• Pyrolysis of straw
• Straw as green material: economic and environmental study
o Grasses
• Grasses: Definitions, Types and Characteristics
• Grasses based applications
• Fuel oil production from grass
• Fuel oil from cogon grass
• Overview on Biochar production from grass
• Production of Biochar from elephant grass
• Using lemon grass in energy applications
• Grass based Biosorbent
• Anaerobic digestion using grass
• Ethanol production using grass
• Pyrolysis of grass
• Grass as green material: Economic and environmental investigation
o Bamboo
• Bamboo as green material: Definitions, Types and Characteristics
• Energy application using bamboo
• Biochar production from bamboo
• Ethanol production from bamboo
• Pyrolysis of bamboo
• Bamboo as green material: Economic and environmental investigation
o Pellet
• Pellet: Definitions, Types and Characteristics
• Pellet: recent progress and development
• Life cycle assessment of pellet
• Pellet: production and environmental impact
• Techno-economic analysis of wood pellet
o Bagasse wastes
• Characteristics
• Production of bio-char and activated arbon
• Applications in water treatment
• Applications in building and construction materials
• Applications in energy production (waste to energy)
• Contribution in circular economy
o Maize cobs
• Characteristics
• Production of bio-char and activated arbon
• Applications in water treatment
• Applications in building and construction materials
• Applications in energy production (waste to energy)
• Contribution in circular economy
o Residues of banana tree
• Properties
• Production of bio-char and activated carbon
• Applications in water treatment
• Applications in building and construction materials
• Other applications
• Contribution in circular economy
o Tea and coffee wastes
• Properties
• Application in cosmetic applications
• Applications in water treatment
• Contribution in circular economy
2. Green Energy materials
o Introduction to green energy materials
o Contribution of green energy materials to SDG
o Green Hydrogen
• Green Hydrogen as a green fuel
• Green Hydrogen production: advances and challenges
• Green Hydrogen production: Energy and exergy analysis
• Green Hydrogen production from formic acid
• Green Electro-catalysts for hydrogen production
• Green Hydrogen production: An economic overview
• Green Hydrogen production: An environmental overview
• Bio-Hydrogen production: An overview
• Hydrogen production from food waste
• Hydrogen production from sea water
• Recent advances in green hydrogen storage
• Green hydrogen: an overview
• Green hydrogen: techno-economic study
• Green Hydrogen for vehicles: Introduction
• Green Hydrogen vehicles: recent progress and challenges
• An overview on hydrogen production using solar energy
• Hydrogen production using PV
• Hydrogen production using PV economic and environmental study
• Hydrogen production using hybrid pv-wind system
• Hydrogen production using parabolic trough solar system
• Hydrogen production using wind energy
• Geothermal energy for hydrogen production
o Ammonia
o Green Ammonia: An overview
• Green ammonia as a fuel: Applications
• Green Ammonia: Progress and challenges
• Green Ammonia production: An economic overview
• Green Ammonia production using solar energy
• Green Ammonia production using wind energy
• Green Ammonia production using solar-wind hybrid systems
o Biofuel
• Biofuel: Definitions, Types and Characteristics
• Biofuel: recent developments and challenges
• Biofuel: applications
o Biomethane
• Biomethane: An overview
• Biomethane: challenges and recent progress
• Biomethane: classification and application
• Biomethane: economic and environmental investigation
• Biomethane production from sugarcane
• Biomethane production from waste water treatment
o Biodiesel
• Biodiesel: Definitions, Types and Characteristics
• Biodiesel: production
• Biodiesel: challenges and recent progress
• Biodiesel: Applications
• Biodiesel: economic and environmental investigation
• Waste cooking oil as biodiesel
o Biosolids Definitions, Types and Characteristics
• Biosolids: risks and limitations
• Biosolids: production and applications
• Biosolids: challenges and recent progress
• Biosolids: economic and environmental investigation
• Green Phase Change Material
• Green PCM: Definitions, Types and Characteristics
• Green PCM: Applications
• Green PCM: techno-economic study
• Sustainable shape stabilized PCM
• Environmental impact of Green PCM
o Modeling and optimization for green energy materials
• Multi-criteria decision analysis for green energy materials
• Artificial intelligence applied to green energy materials
3. Green industrial and building materials
o Introduction to green industrial and building materials
o Contribution of green industrial and building materials to SDG
o Green composite
• Green composite an overview.
• Applications of Green composite
• Green composite from waste material
• Natural fiber based green composite
• Sustainable polymer based green composite
• Green material recent development and challenges
• Cellulose Fiber Composites
• Bio-nanocomposite: An overview
• Bio-composite: environmental study
• Circular economy in Bio-composite development
• 3D and 4D printing of Bio-composite
• Biofilm: developments and applications
o Green polymer
• Ecofriendly biopolymer
• Applications of biopolymer
• Using agriculture waste in biopolymer
• Biomass based epoxy resin
o Green plastic
• Green plastic: Definitions, Types and Characteristics
• Green plastic: Applications
• Green plastic: Economic and environmental investigation
• Bioplastic: An overview
• Bioplastic: Life cycle assessment
• Bio-waste to Bioplastic
o Green building materials
• Green building materials: an overview
• Green thermal insulation materials
• Green building materials: Economic overview
• Green building materials: Environmental overview
• Green sound absorbing material
o Green concrete
• Green concrete: Definitions, Types and Characteristics
• Green concrete: production and applications
• Green concrete: recent progress and development
• Green concrete environmental study
• Fly ash based green concrete
• Life cycle assessment of green concrete
• Modeling and optimization for green industrial materials
• Multi-criteria decision analysis for green industrial materials
• Artificial intelligence applied to green industrial materials
4. Green chemicals and advanced materials
o Introduction to green chemicals and advanced materials
o Contribution of green chemicals and advanced materials to SDG
o Green chemistry
• Green chemistry: Definitions, Types and Characteristics
• Green chemistry from circular economy stand point
• Green chemistry: An environmental investigation
o Green catalyst
• Green catalyst: Definitions, Types and Characteristics
• Green catalyst: recent development
• Green catalyst: Applications
o Green solvent:
• Green solvent: Definitions, Types and Characteristics
• Green solvent: recent development
• Green solvent: Applications
• Green solvent: environmental study
o Green flame retardant:
• Green flame retardant: Definitions, Types and Characteristics
• Green flame retardant: recent developments and challenges
• Bio-derived: Flame retardants
• Green flame retardant: environmental and economic study
o Bio-surfactant
• Bio-surfactant: Definitions, Types and Characteristics
• Bio-surfactant: Recent developments and challenges
• Environmental applications of bio-surfactant
• Biotechnological applications of bio-surfactant
o Biosorbent
• Biosorbent: Definitions, Types and Characteristics
• Biosorbent for lead removing
• Biosorbent for cupper removing
• Biosorbent for zinc removal
o Green additives
• Green additives: Definitions, Types and Characteristics
• Green additives: applications
• Green additives: Economic and environmental study
o Green coating
• Green coating: Definitions, Types and Characteristics
• Green coating: applications
• Green coating: Economic and environmental study
o Green stimuli-responsive materials
• Green stimuli-responsive materials: Definitions, Types and Characteristics
• Green stimuli-responsive materials: Applications
• CO2 switchable materials recent development
o Bio-elastomer
• Bio-elastomer: Definitions, Types and Characteristics
• Bio-elastomer: Applications
o Biodegradable materials
• Biodegradable materials: Definitions, Types and Characteristics
• Biodegradable materials: Applications
• Biodegradable polymer
• Biodegradable plastic: production and applications
o Biocompatible materials
• Biocompatible materials: Definitions, Types and Characteristics
• Biocompatible materials: Applications and challenges
o Green Nano-materials
• Green Nano-materials: Characterization and classifications
• Green Nano-materials: Applications and recent developments
• Nanocellulose: Characteristics and applications