E2C is a unique science/math/technology resource for K-12 teach­ers, stu­dents, the gen­eral pub­lic, and geo­sci­en­tists. It is a col­lab­o­ra­tion among researchers and an Earth Sci­ence edu­ca­tor at the Lamont-Doherty Earth Obser­va­tory of Colum­bia Uni­ver­sity; tech­nol­ogy inte­gra­tion spe­cial­ists from Colé­gio Ban­deirantes, São Paulo, Brasil; and class­room teach­ers from New York, New Jer­sey, and else­where. It cen­ters around Sat­ur­day Work­shops for Edu­ca­tors held at Columbia’s Lam­ont Cam­pus in Pal­isades N.Y.