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  • Clean Energy Presentation

  • Composting Workshop

  • Energy Efficiency for 20 Homeowners

  • EcoFellow for a Month

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The card security code is a unique three or four digit number, separate from your credit card number. Your security code can be found in the following locations on the following cards:
Your card security code for your MasterCard, Visa or Discover card is a three-digit number on the back of your credit card, immediately following your main card number.
Visa Card
American Express
The card security code for your American Express card is a four-digit number located on the front of your credit card, to the right of your main credit card number.
Visa Card
If your security code is missing or illegible, please call the bank or credit card establishment referenced on your card for assistance.

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Giving Option

Your donation is securely processed by our nonprofit partner, Network for Good, with a 3% transaction fee to cover credit card fees, bank fees, and other processing costs. Please consider chipping in an additional 3% so 100% of your donation amount goes to us.

CET is a member of
Earth Share New England.
Center for EcoTechnology
112 Elm St.
Pittsfield, MA 01201
320 Riverside Dr., 1-A
Florence, MA 01062
EcoBuilding Bargains
83 Warwick St.
Springfield, MA 01104

CET is funded in part
by the Massachusetts
Cultural Council,
a state agency.
CET is an equal opportunity service provider. In accordance with Federal law and U.S. Department of Agriculture policy, CET is prohibited from discriminating on the basis of race, color, national origin, sex, age or disability. To file a complaint of discrimination, write USDA, Director of Civil Rights, 1400 Independence Avenue, SW, Washington D.C., 20250-9410, or call (800) 795-3272 (voice) or (202) 720-6382 (TDD).

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