This Practice Note explains the powers which the Environment Agency (EA) has to investigate and prosecute environmental crime in England. It covers powers under the Environment Act 1995, s 108 (section 108 powers), the application of the Police and Criminal Evidence Act 1984 (PACE 1984), powers of entry, interviews under caution, compulsory interviews, power to obtain samples and documents as well as considering the offence of obstructing an officer.