This morning's Globe features an engaging profile of Charlotte Gill, author of Eating Dirt: Deep Forests, Big Timber and Life with the Tree-Planting Tribe (Douglas & McIntyre, 2011).

"Tree-planting made me a really patient person," says Gill of her 17 years in the field, during which time she planted over a million trees.

A million trees!

A million anything.

Below is what a million pennies looks like (compliments of artist Gerald Ferguson). Below that, how to plant a seedling.