EXHIBIT 31.2
                                  CERTIFICATION

I, Mark W. Rieger, certify that:

     1. I  have  reviewed  this  annual  report  on  Form  10-K  of  Alternative
Technology Resources, Inc.;

     2. Based on my knowledge, this report does not contain any untrue statement
of a  material  fact or omit to  state a  material  fact  necessary  to make the
statements made, in light of the circumstances  under which such statements were
made, not misleading with respect to the period covered by this report;

     3. Based on my knowledge,  the financial  statements,  and other  financial
information included in this report, fairly present in all material respects the
financial condition,  results of operations and cash flows of the company as of,
and for, the periods presented in this report;

     4. I, the company's certifying officer, am responsible for establishing and
maintaining disclosure controls and procedures (as defined in Exchange Act Rules
13a-15(e) and 15d-15(e)) for the company and have:

          (a) Designed such disclosure  controls and procedures,  or caused such
     disclosure controls and procedures to be designed under our supervision, to
     ensure that  material  information  relating to the company,  including its
     consolidated  subsidiaries,  is made  known to us by  others  within  those
     entities,  particularly  during the  period in which  this  report is being
     prepared;

          (b) Omitted;

          (c) Evaluated the effectiveness of the company's  disclosure  controls
     and  procedures  and  presented  in this report our  conclusions  about the
     effectiveness of the disclosure  controls and procedures,  as of the end of
     the period covered by this report based on such evaluation; and

          (d)  Disclosed  in this  report any change in the  company's  internal
     control over financial reporting that occurred during the period covered by
     the annual report that has materially affected,  or is reasonably likely to
     materially affect, the company's internal control over financial reporting;
     and

     5. I, the company's  certifying officer,  have disclosed,  based on my most
recent evaluation of internal control over financial reporting, to the company's
auditors and the audit committee of the company's board of directors (or persons
performing the equivalent functions):

          (a) All significant deficiencies and material weaknesses in the design
     or  operation  of  internal  control  over  financial  reporting  which are
     reasonably  likely to  adversely  affect the  company's  ability to record,
     process, summarize and report financial information; and




          (b) Any fraud,  whether or not material,  that involves  management or
     other  employees  who have a  significant  role in the  company's  internal
     control over financial reporting.


Date: October 2, 2003                    /s/ Mark W. Rieger
                                         ---------------------------------------
                                         Mark W. Rieger, Chief Executive Officer
                                        (Principal Financial Officer)