2013 Grand Control of the Year: Union of Concerned Scientists

He also points out that the other work of UCS — in energy, food and agriculture, and nuclear security issues — helps to maintain a "high retention rate" for members who come to UCS through this mailing.

Because of the success UCS has enjoyed in acquiring, engaging and retaining members, Mace anticipates that the group will continue to rely heavily on direct mail, despite some shift toward online.