I came across this very interesting video, which just boggled my mind. Its about personalized energy. Dr.Dan Nocera, an MIT chemistry professor has come up with this ingenious idea of artificial photosynthesis to generate your own personalized energy that will power your entire house, your electric car and all the appliances that needs to be powered from your house. Basically its what leaves do to survive, except its natural.
The Problem we have today:
In the world we live in today, the total amount of energy we use: 14 Terra Watts
By the year 2050, the total amount of energy we will use: 16 Terra Watts
The total amount of energy that is available for us to harness:
Hydro-electric - 4.6 TW
Nuclear - 8 TW
Tide/Ocean - 2 TW
Geothermal - 12TW
Biomass (crops) - 5 to 7 TW
Wind (10 m above ground) - 2 to 4 TW
Solar - 800 TW (with today's efficiency on solar cells)
His point is that even though there is all this energy available, it is simply not practical to harness all this energy to satisfy the world's energy demands.
His green solution:
Use sunlight to rearrange the chemical bonds for fuel, store the energy in high energy bonds.Take a look at his interesting presentation to understand what this is all about.
Solving our entire world's energy problem with an Olympic size pool of water!