EX-23.1 3 covogden11k_ex23-1.txt Exhibit 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement Nos. 33-36658, 33-36657, 33-54143, 333-19641, 333-82801 and 333-40140 of Covanta Energy Corporation (Debtor in Possession) on Form S-8 of our report dated July 10, 2002, appearing in this Annual Report on Form 11-K of The Ogden 401(k) Plan for the year ended December 31, 2001. /s/ DELOITTE & TOUCHE LLP Parsippany, New Jersey July 15, 2002