EXHIBIT 23.1


               Consent of Ernst & Young LLP, Independent Auditors

We consent to the  incorporation  by  reference in the  Registration  Statements
listed  below of our  report  dated  September  3,  2003,  except  for the fifth
paragraph of Note 8 as to which the date is September 19, 2003,  with respect to
the financial statements of Alternative  Technology Resources,  Inc. included in
the Annual Report (Form 10-K) for the year ended June 30, 2003.

     -    Form S-8 No. 33-80300 pertaining to the 3Net Systems,  Inc. 1993 Stock
          Option/Issuance Plan

     -    Form S-8 No.  33-84576  pertaining to the  Non-Statutory  Stock Option
          Agreement by and between 3Net Systems, Inc. and Russell J. Harrison

     -    Form S-3 No.  33-86962  pertaining to 3Net Systems,  Inc. common stock
          being offered by selling stockholders

     -    Form  S-8  No.  333-90021  pertaining  to the  Alternative  Technology
          Resources, Inc. 1997 Stock Option Plan, Non-Statutory Stock Option for
          Edward Lammerding

     -    Form  S-8 No.  333-103165  pertaining  to the  Alternative  Technology
          Resources,  Inc. 2002 Stock Option Plan and the Stock Option Agreement
          for Jeffrey S. McCormick


                                                           /s/ Ernst & Young LLP

Sacramento, California
September 26 2003