(in alphabetical order)
1- Energy Justice Network
Extensive mapping of energy and waste facilities in the US.
Explore 50,000 power plants. With maps and links. The biggest database at the Delft University of Technology (Netherlands)
3- Global Energy Observatory.
A one-stop site for global energy information. One of the best sources of information on world power plants.
Power Plants arounds the world. With photos and data of a large number of world power plants. The most veteran.
The MegaWHAT of the Power Industry. The best Energy info from the Indian Subcontinent.
6- Renewable Energy in the UK
Interactive Map of Renewable and Alternative Energy Projects in the UK.
Wiki specialized in energy and power plants. Large and original information.
8- US Wind Energy Operating Map.
Shows exactly where wind farms are in the USA. http://eerscmap.usgs.gov/windfarm
1-AirVisual World Pollution Map.
Compare real-time air pollution levels on an interactive world map. https://airvisual.com/earth
2- Worldwide Air Quality Map
Real-Time World Air Quality Map. http://aqicn.org/here
1- Vessel Finder.
Know in real time individual vessel position, tracking... https://www.vesselfinder.com