it gets confirmed from one official that printing sixty book creats the same amount of pollution as from manufacturing two mp4.Since an e-book reader can once store at least 1000 books,so ,in the long term, that will greatly reduce pollution from papermaking and printing.what's more,what is needed to maintain the daily operati...
1 a government official from the confirmed: production, about 60 this ordinary books generated pollution is producing two pollution to MP4.2 if an e-book reader time deposit at...