worker means an individual who, due to efforts to reduce net emissions from public lands or as a result of a downturn in fossil fuel mining, extraction, or production, has suffered a reduction in employment or economic opportunities. (7) Flaring The term flaring means the intentional and controlled burning of gas that occurs in the course of oil and gas or coal operations. (8) Fossil fuel The term fossil fuel means coal, petroleum, natural gas, tar sands, oil shale, or any derivative of coal, petroleum, or natural gas. (9) Fossil fuel transition communities The term fossil fuel transition communities means communities in which the economic contribution of fossil fuel mining, extraction, or production-related activity on public lands has significantly declined or that have historically relied on fossil fuel mining, extraction, or production-related activity on public lands for a substantial portion of its economy. (10) Fugitive release The term fugitive release means the unintentional and uncontrolled release of gas into the atmosphere in the course of oil and gas or coal operations. (11) Fund The term Fund means the Federal Energy Transition Economic Development Assistance Fund. (12) Global Warming Potential-Weighted Emission The term Global Warming Potential-weighted emission means the ratio of the time-integrated radiative forcing from the instantaneous release of 1 kilogram of a trace substance relative to that of 1 kilogram of carbon dioxide, measured in metric tons of carbon dioxide equivalent for each greenhouse gas according to the most recent, and any subsequent, decisions by the Intergovernmental Panel on Climate Change regarding global warming potentials. (13) Greenhouse Gas The term greenhouse gas means— (A) carbon dioxide