IJEX is dedicated to providing an interdisciplinary platform for information and ideas in the field of exergy and thermodynamic optimisation. It publishes a wide range of original, high-quality research papers, and ancillary features, spanning activities from fundamental research to industrial applications. IJEX covers aspects of exergy analysis of engineering and non-engineering systems and processes in a large variety of disciplines, ranging from mechanical engineering to physics and chemical engineering to industrial ecology.Topics covered includeThermodynamic systemsEnergy-related applicationsProcess optimisationEnergy systems, policies, planningExergy/environment modellingExergetic life cycle assessmentIndustrial ecologySectoral exergy utilisationWaste exergy emissionsSecond-law efficiencyThermo- and exergo-economicsExergy in sustainable developmentCriticisms of and problems with use of exergyEntropy generation minimisationConstructal theory and design