The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE

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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
Acuity Brands Inc Common 00508Y102 11,689 83,978 SH   SOLE 0 83,978 0 0
Advanced Drainage Systems Inc Common 00790R104 10,342 399,318 SH   SOLE 0 399,318 0 0
American Water Works Co Inc Common 030420103 19,370 235,844 SH   SOLE 0 235,844 0 0
AO Smith Corp Common 831865209 19,178 301,583 SH   SOLE 0 301,583 0 0
Badger Meter Inc Common 056525108 11,972 253,917 SH   SOLE 0 253,917 0 0
Cia de Saneamento Basico do Es ADR 20441A102 14,369 1,356,883 SH   SOLE 0 1,356,883 0 0
Clean Harbors Inc Common 184496107 12,882 263,916 SH   SOLE 0 263,916 0 0
Donaldson Co Inc Common 257651109 9,511 211,119 SH   SOLE 0 211,119 0 0
Franklin Electric Co Inc Common 353514102 15,043 369,163 SH   SOLE 0 369,163 0 0
Generac Holdings Inc Common 368736104 21,431 466,805 SH   SOLE 0 466,805 0 0
Itron Inc Common 465741106 16,642 232,588 SH   SOLE 0 232,588 0 0
Lennox International Inc Common 526107107 13,991 68,460 SH   SOLE 0 68,460 0 0
Ormat Technologies Inc Common 686688102 17,371 308,106 SH   SOLE 0 308,106 0 0
Power Integrations Inc Common 739276103 21,147 309,398 SH   SOLE 0 309,398 0 0
PTC Inc Common 69370C100 18,645 239,011 SH   SOLE 0 239,011 0 0
Rayonier Inc Common 754907103 19,380 550,881 SH   SOLE 0 550,881 0 0
SunPower Corp Common 867652406 7,961 997,573 SH   SOLE 0 997,573 0 0
Trimble Inc Common 896239100 14,467 403,205 SH   SOLE 0 403,205 0 0
United Natural Foods Inc Common 911163103 14,816 345,037 SH   SOLE 0 345,037 0 0
Watts Water Technologies Inc Common 942749102 19,414 249,857 SH   SOLE 0 249,857 0 0
Welbilt Inc Common 949090104 16,131 829,363 SH   SOLE 0 829,363 0 0
Xylem Inc/NY Common 98419M100 19,235 250,059 SH   SOLE 0 250,059 0 0