Documentation

Publications

MESSAGEix

MESSAGEix is a versatile, dynamic, model framework for energy-engineering-economy-environment (E4) systems research. MESSAGE (without “…ix”) is a specific formulation of a generic linear programming (LP) optimization model for strategic energy planning and integrated assessment of E4 systems, developed by the IIASA Energy, Climate, and Environment (ECE) Program …

Maik Budzinski et al.

The indirect global warming potential of methane oxidation in the IPCC’s sixth assessment report

Greenhouse-gas emission (GHG) metric values for methane in the sixth assessment report by the Intergovernmental Panel on Climate Change (IPCC) include the indirect effect associated to the oxidation of methane to CO 2. An analysis of the figures provided by the IPCC reveals they assume that in average 75% of methane is ultimately oxidized to CO 2, while the remaining 25% …

Jannick Schmidt, Bo Weidema, Ivan Muñoz

Which rules to follow? how differences in renewable fuel standards obscure the potential climate impact of transportation fuels

Various regional and international standards have been developed to measure the environmental impacts of transportation fuels and minimize greenwashing and misinformation regarding their sustainability. These frameworks offer standardized methods and calculation guidelines for fuel producers to be able to verify compliance with predefined sustainability criteria and to achieve …

Jannick Schmidt, Megan Roux, Tomas Ekvall, Giovanna Croxatto Vega