
No 10 petition
As an expat on assignment out of the UK for a year, ebooks are a godsend given the weight limits, import restrictions, etc. of the country I am in. And I use my smartphone as an ebook reader so the environmental cost of the reader is nothing because I had the phone already. Well, maybe I charge the battery slightly more now.
Of course, here's a petition that might actually do something:
http://petitions.number10.gov.uk/eBooksVATfree/