Physical infrastructure, initial list of main topics:

• Geography
• Energy
  • Solar (passive and active)
  • Wind
  • Water (wave motion, undersea currents)
  • Hydrogen - renewable sources; storage considerations; fuel cells
  • Natural Gas - renewable sources
• Food
  • Hydroponics
  • Genetically enhanced crops
  • Seafood 'farming'
  • Meat, dairy
  • Processing, handling and distribution
  • Additives
• Water
  • Desalinization, purification
  • Additives
  • Plumbing infrastructure
• Architecture
  • Smart Buildings
  • Materials, construction techniques
  • Efficiencies and Optimizations
  • Environmental Safety (including as relates to regional geography)
• Communication
  • Data:  wireless + fiber networking, IPv6, server / storage infrastructure, digital archives
  • Voice / video - cellular based, optimized frequencies
  • Entertainment
• Transportation
  • Fixed path (e.g. trains)
  • Vehicles
  • Infrastructure for physical distribution of resources
  • Ocean-going (surface and under-water)
  • Air
• Waste Management / Recycling
• City Planning
  • Intelligent Layout
  • Aesthetic aspects
  • Emergency planning and response; hospital
  • Environmental impact, testing & monitoring
  • Maintenance
  • Recreation
  • Noise management
  • Expansion
• Integration
  • How it all works together.

Each of these topics will have it's own set of web pages and sections within discussion threads.
Any suggestions for additions or revisions to this list are gladly accepted.