Whether it is e-mail, e-books or e-document, doing it electronically is always better! This is a common misconception among many, but neither is the e-solution always eco-friendlier than chopping trees nor does it always serve your purpose best. Just take your own mailbox as an example: How many more e-mails do you receive per day compared to letters? Therefore, reaching out by direct mail may bypass the recipient's mailing jam while being more sustainable after all. Here is a good collection of myths and facts about paper.
credit: Glatfelter