There IS something you can do about the packing tape - buy the biodegradable stuff! There's plenty of it. It will cost more, but ultimately what is that in respect of the environment? The only trick would be getting the people who pack your book to use it:
For example, a quite Google search found this:
http://www.greenstat.co.uk/storefront/Eco-Paper-Packing-Tape-P-122684
Reply