<PAGE> PAGE 1
000 A000000 01/31/98
000 C000000 0000877232
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 GREEN CENTURY FUNDS
001 B000000 811-06351
001 C000000 6174820800
002 A000000 29 TEMPLE PLACE
002 B000000 BOSTON
002 C000000 MA
002 D010000 02111
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 2
007 C010100 1
007 C010200 2
007 C010300 3
007 C020300 EQUITY FUND
007 C030300 N
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
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020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 DOMINI SOCIAL INDEX PORTFOLIO
022 B000001 04-3081260
022 C000001 3209
022 D000001 505
022 C000002 0
022 D000002 0
<PAGE> PAGE 2
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022 D000003 0
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023 C000000 3209
023 D000000 505
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025 D00AA08 0
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 N
026 E000000 N
026 F000000 N
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026 H000000 N
027 000000 Y
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077 A000000 Y
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<PAGE> PAGE 3
077 D000000 N
077 E000000 N
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010 A000301 GREEN CENTURY CAPITAL MANAGEMENT, INC.
010 B000301 801-39630
010 C010301 BOSTON
010 C020301 MA
010 C030301 02111
010 A000302 SUNSTONE FINANCIAL GROUP, INC.
010 C010302 MILWAUKEE
010 C020302 WI
010 C030302 53202
011 A000301 SUNSTONE DISTRIBUTION SERVICES, LLC
011 B000301 8-42106
011 C010301 MILWAUKEE
011 C020301 WI
011 C030301 53202
012 A000301 INVESTORS BANK & TRUST COMPANY
012 B000301 85-720
012 C010301 BOSTON
012 C020301 MA
012 C030301 02116
013 A000301 KPMG PEAT MARWICK, LLP
013 B010301 BOSTON
013 B020301 MA
<PAGE> PAGE 4
013 B030301 02110
015 A000301 INVESTORS BANK & TRUST COMPANY
015 B000301 C
015 C010301 BOSTON
015 C020301 MA
015 C030301 02116
015 E010301 X
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024 000300 N
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<PAGE> PAGE 5
037 000300 N
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056 000300 N
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<PAGE> PAGE 6
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<PAGE> PAGE 7
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<PAGE> PAGE 8
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SIGNATURE MEG GREIFENKAMP
TITLE ADMINISTRATION
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000877232
<NAME> GREEN CENTURY FUNDS
<SERIES>
<NUMBER> 3
<NAME> EQUITY FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUL-31-1998
<PERIOD-END> JAN-31-1998
<INVESTMENTS-AT-COST> 6,967,610
<INVESTMENTS-AT-VALUE> 8,402,836
<RECEIVABLES> 0
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 8,402,836
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 7,651
<TOTAL-LIABILITIES> 7,651
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 6,905,903
<SHARES-COMMON-STOCK> 472,752
<SHARES-COMMON-PRIOR> 312,859
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 54,056
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 1,435,226
<NET-ASSETS> 8,395,185
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 0
<OTHER-INCOME> 37,576
<EXPENSES-NET> (42,692)
<NET-INVESTMENT-INCOME> (5,116)
<REALIZED-GAINS-CURRENT> 55,941
<APPREC-INCREASE-CURRENT> 369,685
<NET-CHANGE-FROM-OPS> 420,510
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (5,456)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 189,661
<NUMBER-OF-SHARES-REDEEMED> 30,075
<SHARES-REINVESTED> 307
<NET-CHANGE-IN-ASSETS> 3,120,007
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 8,086
<OVERDISTRIB-NII-PRIOR> 2,240
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 0
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 42,692
<AVERAGE-NET-ASSETS> 6,567,359
<PER-SHARE-NAV-BEGIN> 16.86
<PER-SHARE-NII> (0.01)
<PER-SHARE-GAIN-APPREC> 0.92
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> (0.01)
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 17.76
<EXPENSE-RATIO> 1.50
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0.00
</TABLE>
Exhibit to Accompany
Item 77J
Form N-SAR
Green Century Equity Fund
(the "Fund")
According to the provisions of Statement of Position 93 - 2 (SOP
93 - 2) "Determination, Disclosure and Financial Statement
Presentation of Income, Capital Gain and Return of Capital
Distributions by Investment Companies," the Fund is required to
report the accumulated net investment income (loss) and
accumulated net capital gain (loss) accounts to approximate
amounts available for future distributions on a tax basis (or to
offset future realized capital gains). As a result, the Fund has
reclassified net realized gain of $4,515 to increase undistributed net
investment income by $7,356 and decrease paid-in capital by
$2,841 for the six months ended January 31, 1998.
This reclassification has no impact on the net asset value of the
Fund and is designed to present the Fund's capital account on a tax
basis.
