How much tree is in that book you're reading?
Harriet Rix:
In a book of 80,000 words there is an enormous amount of trapped energy: a library of borrowed tree stability. If a tree is twenty when it is cut and pulped, it would have taken about four months’ continuous work for that tree to produce the biomass for one book.
The Genius of Trees: How they mastered the elements and shaped the world
