A security services body, also called MI5
You only have a right in law to access information about the environment from this authority
MI5 is not subject to FOIA and therefore will not process FOIA requests.
Under Regulation 4 of the Environmental Information Regulations (EIR), environmental information relevant to the functions of the Security Services, which does not adversely affect national security can be requested.
MI5 proactive publish some environmental information on their website at:
https://www.mi5.gov.uk/output/environmental-information.html We are currently using the MI5 Recruitment Office email address, though we have asked for a more appropriate email address.