save the earth

Grumpy Writer: People should only write and publish what's truly necessary.
.
Friend of Grumpy Writer: Well, a lot of books aren't really necessary...
.
Grumpy Writer: Good -- let's save the trees!
.
Friend of Grumpy Writer: There's always e-publishing...
.
Grumpy Writer: Yeah, well, we can save on coal, or fossil fuels...
.
.