Assistant Secretary of the Army for Installations, Energy and the Environment Katherine Hammack has issued a new policy memorandum to improve high-performance green buildings standards for the Army. The memo, "Memorandum for Sustainable Design and Development Policy Update (Environmental and Energy Performance) (Revision)", includes requirements for the planning, programming, budgeting, design and building stages that will strengthen the Army's sustainability, energy security, and energy independence through more responsible consumption and planning.