means to design assets to prepare for, withstand, respond to, or quickly recover from disruptions due to severe weather events and climate change for the intended life of the asset. (7) The term Department facility means any building or collection of buildings, grounds, or structures, as well as any fixture or part thereof, which is owned by the Department of Defense or that is held by the Department under a lease-acquisition agreement under which the Department will receive fee simple title under the terms of such agreement without further negotiation. (8) The term energy net zero means a building where the total energy used by the building on an annual basis is equal to the amount of clean energy created in site. (9) The term equal value replacement renewable energy certificates means a quantity of renewable energy certificates equal to the number of megawatt-hours of clean electricity generated from an eligible renewable energy resource. (10) The term greenhouse gas means carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, nitrogen triflouride, sulfur hexafluoride, and any other substance so identified by the Administrator of the Environmental Protection Agency. (11) The term greenhouse gas intensity on a marginal basis means the marginal fossil fuel use multiplied by the lower heating value of the fossil fuel, as defined by the Energy Information Administration, multiplied by the carbon dioxide emissions coefficients of the fossil fuel, as defined by the Energy Information Administration. If a project uses no fossil fuel, the marginal greenhouse gas emissions are defined as zero. (12) The term green infrastructure features means features of infrastructure which use natural hydrologic features to manage water and provide environmental and community benefits. (13) The term life-cycle cost-effective means the costs of a product, project, or measure during the life of the product, project, or measure are estimated to be equal to or less than the current or standard practice or product.