Give by Phone, Fax, or Mail

Give by phone

Call us at 1-800-666-8276 between 9 am and 5 pm (Eastern time). We can take your donation with a VISA, MasterCard, American Express, or Discover. At other times, you may leave a message and we’ll return your call.

Give by mail or fax

Simply print and fill out this form and mail to:

Union of Concerned Scientists
Two Brattle Square, Suite 6
Cambridge, MA 02138
Attn: Membership
Or fax to: 617-864-9405

We Need Your Support
to Make Change Happen

We can ensure that decisions about our health, safety, and environment are based on the best available science—but not without you. Your generous support helps develop science-based solutions for a healthy, safe, and sustainable future.