EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statement on Form S-8 (File No. 333-151751) of Bion Environmental Technologies, Inc. of our report dated September 21, 2010 (which expresses an unqualified opinion and includes an explanatory paragraph relating to the Company's ability to continue as a going concern), which appears on page F-2 of this annual report on Form 10-K for the year ended June 30, 2010. /S/ GHP HORWATH, P.C. Denver, Colorado September 21, 2010