Our Supporters
Our Deepest Thanks!
We have a profound appreciation for our community of supporters.
Your generous contributions help improve our climate, health and equity.
You make our work possible!
Coltura's 2025 Supporters 
Gasoline-free Champions
$50,000+
Phaseout Partners
$30,000 - $49,999
Beyond Gasoline Benefactors
$10,000 - $29,999
Anonymous Donor
Anonymous Donor
Benevity
Gerald Wluka
Pearl-Colman Foundation
Schwab Charitable Fund
Tim Ranzetta
Clean Air Advocates
$5,000 - $9,999
Anonymous Donor
Donato Family Foundation
Ron Freund
The Charles and Carol Michel Family Charitable Fund
Zero Emission Sustainers
$1,000 - $4,999
Ann Williams ● Boston University ● Carlos and Olga Manzanedo ● Douglas Pearson ● Erick Frederick ● George Gose ● Grace Reamer ● Michael Johnson ● Microsoft ● Robert Estrin ● Steve Chanin and Jessie Dotson ● The Ankur J. Goel and Jasmeet K. Seehra Fund of Vanguard Charitable ● The Briggs Anderson Fund with Vanguard Charitable ● The Sunnyhome Charity Fund of Vanguard Charitable ● Whitney Thwaite
Climate Allies
$250 - $999
Adam Stern ● Bruce Rathbone ● Dana and Steven Kornfeld ● Easen and Jennifer Ho ● Eve Schooler and Bob Felderman ● Gerard O'Connor ● Jeff and Mary Lynne Finn ● Mark and Lisa Trail ● Rick Friedhoff ● Scott and Jenny Wyatt ● Tal Klein ● The Blackbaud Giving Fund ● Thomas Smithson ● Tyler Folsom ● William Gray
EV Chargers
$100 - $249
Anonymous Donor ● Anonymous Donor ● Anonymous Donor ● Alex and Lisa Mann ● Andy Leventhal ● Betsy and Horace Nash ● Bruce Karney ● Cynthia Taylor ● Dan Jaffe ● Dean O'Daffer ● Dewitt Jones ● Elizabeth Parkhurst ● Holly Ruxin ● Jack Cantwell ● Jimmy Tam ● John Bliss and Kim Thompson ● John Brockhaus ● Julie Hilborn ● Laurie Sobel ● Lawrence Emerson ● Lisa Gani ● Michael Ruby ● Paul Scott ● PB Schechter ● Peter Bryn ● Rhonda Bucklin ● Russel West ● Sharon Wilson ● Thaddeus Curtz and Joe Thornton Curtz
Sparks for Change
$10 - $99
Anonymous Donor ● Anonymous Donor ● Anonymous Donor ● Adam Klein ● Bruce and Patricia Benton ● Catherine Crain ● Christopher Cocca and Justine Burt ● Derek Horton ● Elizabeth Nelson ● First Technology Federal Credit Union ● Forest Shomer ● James J Beregi ● Janet Heineck ● Judy Helms ● Kyle Murphy ● Lam Research ● Laurie-Ann Barbour ● Mark Smith ● Michael Closson ● Michael O'Brien ● Milena Fiore ● Robert Besso ● Sarah Eisner ● Sommer Heller ● Stewart Henderson