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Stochastic Quasi-Gradient (SQG) methods have been developed for solving general optimization problems without exact calculation of objective function and constraints (let alone of their derivatives). SQG methods enable a sequential revision of approximate solutions towards the optimal using newly acquired information on the system, obtained via either direct on-line observations or(and) simulations. 

A tool to assess temporal verification of net greenhouse gas emission changes under the Kyoto Protocol.

Three different scenarios for the implementation of the Sustainable Development Goals, focusing on the goals that could impact fertility and mortality rates and thus population growth are now available for downloading.

A model that traces land and water use embodied in production, trade and consumption of agricultural commodities.

A global soil database, framed within a Geographic Information System, containing up-to-date information on world soil resources

Water quality modeling for water availability/scarcity assessment, water-energy-land-environment nexus analysis and identification of cost-effective solutions under long-term changes.

A general equilibrium model to assess China’s agricultural prospects and challenges up to 2030, covering national, regional and county level.

An open source model to examine how future water demand will evolve in response to socioeconomic change and how water availability will change in response to climate.

New tool to inform the design of cost-effective and sustainable water policy decisions

A tool for detailed assessment of available resources to support policymakers developing national, regional, and global strategies for the sustainable production of food

Comprehensive downloadable data and analysis on the Russian forestry sector

A model assessing how land management affects the environment

The IIASA/ESM based BGC-MAN model was calibrated and validated with TrEco data for the dominant ecosystems and land use forms of the Congo basin, including virgin forests, managed forests, forest fallows after shifting cultivation and savannahs.

Assessing management impacts on the BioGeoChemistry of ecosystems

A modeling framework for medium to long-term energy system planning, energy policy analysis, and scenario development

A global model to assess competition for land use between agriculture, bioenergy, and forestry

BeWhere is a spatially explicit, bottom-up, techno-economic, system optimization model designed to support cost-effective, low-carbon system transitions at the supply chain level.

The BinD model is a new generation dynamic disaster-macroeconomic modeling framework that captures supply and demand-side constraints on a developing economy facing disaster risk.

The Equity and Justice (EQU) Research Group has developed a number of decision-support and process-oriented methods. These tools help stakeholders and policy-makers make sense of the complex governance landscape, while clarifying trade-offs and synergies associated with alternative policy options. 

A system dynamics model of social, economic, and environmental earth systems and their interdependencies.