Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the following Registration Statements:
(1) | Registration Statement (Form S-8 No. 333-86004) pertaining to the 1995 Stock and Incentive Plan as amended effective December 12, 2000, | ||
(2) | Registration Statement (Form S-8 No. 333-115365) pertaining to the 1995 Stock and Incentive Plan as amended effective December 12, 2000 and as further amended effective July 24, 2002, | ||
(3) | Registration Statement (Form S-8 No. 333-119609) pertaining to the Covanta Holding Corporation (formerly “Danielson Holding Corporation”) Equity Award Plan for Employees and Officers and the Covanta Holding Corporation Equity Award Plan for Directors of Covanta Holding Corporation, | ||
(4) | Registration Statement (Form S-8 No. 333-130046) pertaining to the registration of an additional 2,000,000 shares of common stock as a result of an increase in the number of shares of Common Stock issuable under the Company’s Equity Award Plan for Employees and Officers, | ||
(5) | Registration Statement (Form S-3 No. 333-134173) pertaining to the registration of common stock, preferred stock, warrants, senior debt securities and subordinated debt securities, and | ||
(6) | Registration Statement (Form S-3 No. 333-140082) pertaining to the registration of common stock, preferred stock, warrants, and debt securities |
of our reports dated February 25, 2007, with respect to the (1) consolidated financial statements and schedules of Covanta Holding Corporation, and (2) Covanta Holding Corporation management’s assessment of the effectiveness of internal control over financial reporting at Covanta Holding Corporation, and the effectiveness of internal control over financial reporting included in this Annual Report (Form 10-K) for the year ended December 31, 2006, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
MetroPark, New Jersey
February 25, 2007
February 25, 2007