IS THAT really greener??

IS THAT really greener??...or just we - the people create the term "green"??

IS THAT using electronic devices (e.g. computers and ipads) to read stuffs is much greener than printing papers?? The problem is: you still need to plug in your electronic devices to the wall.

IS THAT a hybrid electric cars (or an electric car) is much greener than a car that uses gasoline?? In some way, an electric car does not give out air pollution - carbon dioxide…but the problem is: how about producing the battery for the car?? ...and we still need to plug in for the car.

...IS that really greener??
In some countries, it may be...and they are smart. Less pollution for them, and more pollution for others.
However, it is not true for those countries that are producing batteries.