Green categories

These are categories of green products or services:

• Energy generation
  • Solar energy
  • Wind energy
  • Hydro-electric energy
  • Geo-thermal energy
  • Nuclear energy
  • Tide energy
  • Recycling
• Energy transportation and distribution: the "smart grid"
• Energy storage (e.g. batteries)
• Transportation and related products
  • Electric and hybrid cars and trucks
  • Biofuels
• Recycling and waste recovery industries
• Green building and associated products