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Please solve this simple math problem to continue:

10 + 7 = ?

10

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Environmental Defense Fund is a nonprofit, tax-exempt charitable organization under Section 501(c)(3) of the Internal Revenue Code. Donations are tax-deductible as allowed by law. Tax identification number 11-6107128.

EDF operates with the highest standards of ethics and open, honest communication. Read our whistleblower policy or report a concern through our confidential, third-party compliance site.