CERTIFICATION PURSUANT TO RULE 30A-2(b) UNDER THE 1940 ACT
                   AND SECTION 906 OF THE SARBANES-OXLEY ACT

I, David J. Schoenwald,  Chief Executive  Officer and Chief Financial Officer of
New Alternatives Fund, Inc. (the "Registrant"), certify that:

         1.     The Form N-CSR of the Registrant  (the "Report")  fully complies
                with  the   requirements  of  Section  13(a)  or  15(d)  of  the
                Securities Exchange Act of 1934, as amended; and

         2.     The information  contained in the Report fairly presents, in all
                material  respects,  the  financial  condition  and  results  of
                operations of the Registrant.


Date:    2/27/08                 /s/ David J. Schoenwald
     ---------------             -----------------------------------------------
                                 David J. Schoenwald, Chief Executive Officer
                                 and Chief Financial Officer
                                 (principal executive officer and principal
                                 financial officer)