The Department of Energy has issued a “litigation hold notice” to its employees regarding their emails. The DOE has ordered all employees, contractors, etc., to:

… locate and preserve all documents, records, data, correspondence, notes, and other materials, whether official or unofficial, original or duplicative, drafts or final versions, partial or complete that may relate to the global warming, including, but not limited to, the contract files, any related correspondence files, and any records, including emails or other correspondence, notes, documents, or other material related to this contract, regardless of its location or medium on which it is stored. In other words, please preserve any and all documents relevant to “global warming, the Climate Research Unit at he University of East Anglia In England, and/or climate change science.”