<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000877232
<NAME> GREEN CENTURY FUNDS
<SERIES>
<NUMBER> 3
<NAME> EQUITY FUNDS
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> JUL-31-2000
<PERIOD-START> AUG-01-1999
<PERIOD-END> JUL-31-2000
<INVESTMENTS-AT-COST> 32,433,194
<INVESTMENTS-AT-VALUE> 40,450,293
<RECEIVABLES> 562,102
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 41,012,395
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 81,054
<TOTAL-LIABILITIES> 81,054
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 31,712,092
<SHARES-COMMON-STOCK> 1,549,252
<SHARES-COMMON-PRIOR> 1,208,833
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,202,150
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8,017,099
<NET-ASSETS> 40,931,341
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 254,073
<EXPENSES-NET> (469,339)
<NET-INVESTMENT-INCOME> (215,266)
<REALIZED-GAINS-CURRENT> 1,153,641
<APPREC-INCREASE-CURRENT> 1,429,087
<NET-CHANGE-FROM-OPS> 2,367,462
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (103,620)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 584,808
<NUMBER-OF-SHARES-REDEEMED> 248,006
<SHARES-REINVESTED> 3,617
<NET-CHANGE-IN-ASSETS> 11,167,501
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 174,365
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 469,339
<AVERAGE-NET-ASSETS> 36,299,370
<PER-SHARE-NAV-BEGIN> 24.62
<PER-SHARE-NII> (0.14)
<PER-SHARE-GAIN-APPREC> 2.02
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.08)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 26.42
<EXPENSE-RATIO> 1.50
</TABLE>
