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Greenhouse Gas and Air Pollution Interactions and Synergies (GAINS) 

Developer or Source: International Institute for Applied System Analysis (IIASA)

GAINS is an online tool for assessing transnational strategies that reduce emissions of multiple air pollutants and greenhouse gases (GHG) at least costs, and minimize their negative effects on human health, ecosystems, and climate change. GAINS estimates historic emissions of ten air pollutants and six GHGs based on data from international energy and industrial statistics, emission inventories, and on data supplied by countries themselves. It assesses emissions on a medium-term time horizon, with projections being specified in five-year intervals through the year 2050. GAINS estimates for each country/region the potential emission reductions that are offered by about 2,000 specific emission control measures and their costs.

Region: Global
Sectors and Topics: Health, Infrastructure and Industry, Renewable Energy
Scale: National, Sub-national
Expertise Level: Practitioner
Resource Type: Analysis Tools
Cost: No
Inputs Needed: Base year End year Gross domestic product Discount rate Population Base year data on energy consumption transport industry and agriculture
Outputs Provided: Emission inventories emission projections and control costs for air pollutants (SO2 NOX VOC PM NH3) Emission inventories and emission projections for greenhouse gases (CO2 CH4 N2O and the F‐gases) Human health damages Health and environmental impacts Control measures that need to be implemented in various policy scenarios including cost‐efficient solutions
Languages: English
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