Partners

The Union of Concerned Scientists is the leading science-based nonprofit working for a healthy environment and a safer world. UCS combines independent scientific research and citizen action to develop innovative, practical solutions and to secure responsible changes in government policy, corporate practices, and consumer choices.

Penguin Classics is the largest and most comprehensive publisher of classic literature in English in the world and is committed to purchasing paper products from manufacturers who use sustainable production techniques as well as practicing in-house conservation and recycling in our daily business.