United States of America
Leader: Al Gore
UA: An Inconvenient Truth: Clean energy buildings have increased yields and/or different requirements and are built faster*. Workers can remove sources of coal, oil, and uranium from your territory, resulting in a lump of

Culture and

Tourism.
UB: National Park: Replaces Garden. Requires a lake, mountain, or Natural Wonder. +1

Culture on unimproved tiles, increasing to +2 if it's a lake, mountain or Natural Wonder. Worked Natural Wonders have their highest yield transferred to

Tourism. Is more expensive and cost more maintenance.
UB: Ethanol Plant: Replaces Factory, does not require coal, and comes later at Combustion. Provides no base production, but yields +1

Production from every farm and plantation. Provides 3 copies of the unique ethanol fuel resource which can be used as an alternative for oil.
*Windmill: +3

Production, +15%

Production. 3 Windmills give an ideology.
Hydro Plant: +10%

Production. 1 Engineer slot.
Solar Plant: Does not require a desert.
Recycling Center: +3

Culture. An unlimited amount can be built.