I found this phrase on Word Spy.
peak paper
n. A time when global paper production and usage reaches a maximum, after which it declines irreversibly.
Examples
And yet in 2013, despite positive growth overall, the world reached ‘Peak Paper’: global paper production and consumption reached its maximum, flattened out, and is now falling. A prediction that was over-hyped in the 20th century and then derided in the early 2000s — namely, the Paperless Office — is finally being realised.
—John Quiggin, “Doing more with less: the economic lesson of Peak Paper,” Aeon, February 12, 2016
Regarding Peak Paper, I think it’s good that the world is using less paper for business purposes. What I see is an increasing interest in paper as an art form, an acknowledgement that print media is still treasured (e.g., beautiful books, Flow magazine, letterpress), and a resurgence in painting, sketching and journaling. It would be interesting to know how the market in quality and specialty paper has been doing in the same period, even though, comparitively, it would be a drop in the bucket/ocean.