Never tick the box on a form saying you would like to receive more information.
Sign up not to receive junk mail from the post office and write to people who send you junk mail asking to be removed from their database.
Resist the urge to take paper napkins in cafes, and if you must, just take one.
Carry a fabric, washable handkerchief to avoid using tissues.
Use scraps of paper for notes instead of post-its.
Re-use envelopes.
Share magazines and newspapers with friends or neighbours, or read news online.
Forget paper archives, electronic ones are easier to search, lighter, cheaper and take up less space.
Think before printing, and if you must, always print double sided.
Do not accept flyers, leaflets or free papers.
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