• Green and High-Performance Buildings
• Sustainable Construction
• Building Commissioning, Commissioning Process
• HVAC & R Systems
• Technology Innovation and Adoption

• Metabolomics and metabolic regulation in biofuel producing bacteria
• Bacterial biofilms
• Human gut microbiome

• Plant genetics
• Plant flowering
• Vernalization 
• Arabidopsis thaliana
• Brachypodium distachyon

• Sustainability risks facing businesses and organizations
• Sustainability risk management strategies

• Salts, liquid metals, supercritical water (SCW), supercritical CO2 (SCO2) 
• Supercritical fluids
• Brayton cycle for nuclear, solar and fossil advanced power generation
• Fluoride-cooled nuclear reactors
• Salt chemistry, purification, and materials compatibility. 

• Plant–microbe symbioses
• Signaling pathways
• Plant symbiotic genes
• Techniques to characterize the metabolome, proteome and phosphoproteome
• Development of tools for metabolite and peptide imaging in plant cells 

• Carbon Direct Removal and Decarbonization
• Biological systems analysis and assessment
• Life cycle assessment
• Techno-economic analysis

• Energy analysis and policy
• Energy conservation
• Energy efficiency
• Renewable energy projects
• Stakeholder engagement and market development

• Carbon nanotubes
• Atomically thin sheets of graphene
• Two-dimensional materials
• Semiconducting molecules and polymers
• Heterostructures that integrate these components with conventional, macroscopic materials

• Circular economy systems engineering
• Computational modeling and optimization
• Energy infrastructure planning and operational scheduling
• Energy systems engineering
• Food-energy-water nexus

• Commercialization of technology
• Materials and process development with emphasis on the intersection with business opportunities

Renewable energy policy; economic development; energy project development and financing; bioenergy; distributed energy resources; carbon markets and accounting; technology commercialization; state energy policy.

• Plant cell biology
• Intracellular protein trafficking
• Membrane biogenesis
• Plant cell cytokinesis

• Coordination chemistry
• Catalysis 
• Electronic structure
• Metal-metal bonding

• Multiphase flow and flow at interfaces
• Flow boiling and condensation
• Evaporation-driven self-assembly
• Advanced flow diagnostic techniques (PIV, hot-wire anemometry, high-speed microscopy, thermoreflectance)
• Energy systems  

• Critical infrastructure protection
• Security
• Technology hazards
• Risk analysis
• Decision analysis
• Operations research

• Energy policy and regulation
• Energy research collaboration
• Energy stakeholder networks

• Methods, models, and tools for managing climate variability and change
• Hydrologic forecasting and integration into decision models
• Addressing water quality and quantity extremes
• Hydro-economics and policy mechanisms
• Risk, reliability, and uncertainty
• Sustainable approaches

• Plasmas, metamaterials, metasurfaces and media that have a strong interaction with electromagnetic radiation
• Electromagnetic field effects
• Microwave vacuum electronics
• Innovative teaching and learning methods and instructional space design

Water quality

Impacts of climate and land-use change

Urban stormwater management

Wetland/stream restoration

• Lab automation
• Microbial genetics
• Metabolomics
• Bioenergy

• Lab automation
• Microbial genetics
• Metabolomics
• Bioenergy

• Public opinion, new media, and the perception of risks and benefits surrounding controversial science and technology
• The role of values in shaping public attitudes
• Cross-cultural analysis

• water resource engineering
• natural resource management
• nexus of water, energy, and land use
• environmental justice in Indigenous communities

• Continental tectonics
• Basin evolution
• Ancient lakes
• Petroleum geology
• Paleoclimatology
• China geology

• Relation of competition policy and law to regulated industries
• Relationship between antitrust law and regulation
• Buyer power issues
• The operation and regulation of markets for agricultural commodities

• Genetics and breeding of perennial forage, biofuel, and turf grasses
• Genetics of plant traits related to nutritional value, cell-wall structure, cell-wall degradation, and bioenergy conversion; pest resistances; stress tolerances
• Quantitative and molecular genetics
• Evolution and domestication of perennial grasses

• Civic engagement in sustainability policymaking
• Climate justice
• Computational social science
• Discourse on controversial and emerging technologies
• Science communication

• Synthesis of semiconductor electrodes for solar energy conversion
• Catalyst development for solar fuel production
• Electrochemical and photo-electrochemical biomass conversion
• Development of materials for electrochemical water desalination

• Chemical instrumentation including ETD, dissociation, ion/ion reactions. PRM, and theory
• Informatics including molecular identification, quantitation, and data visualization
• Proteomic and metabolomic technologies