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ehh, they say the same thing. If you read 50 books on it, it is the same as reading paper books in terms of the carbon foot print for making it.
So the question is, does reading book 51 take less or more energy then the energy that goes into making a paperback book? I would guess that it takes less energy to power the device to read a book then it does to make an entire paper back.
For people on this site, who regularly read 50 books a year, the e-reader is more enviromentally friendly then paper books.
And the whole bit about recycling? There are only so many times a piece of paper can be recycled. A fair amount of what is sent to recycling center does not get efficently recycled. And even when it does, it requires the use of energy and water and other resources. So recycling is not an energy free process or a guarentee.
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