 | United States. Congress. Senate. Committee on Energy and Natural Resources - 1992 - 476 pages
...illustrate the effect of a wide range of economic, demographic and policy assumptions. They are inherently controversial because they reflect different views...emissions. These factors have led to an update of the SA90. Six alternative IPCC Scenarios (IS92 af) now embody a wide array of assumptions, summarized... | |
 | Intergovernmental Panel on Climate Change - 1992 - 220 pages
...Nations; publication of the IPCC Energy and Industry Sub-group scenario of greenhouse gas emissions to AD 2025: political events and economic changes in the...deforestation: and new scientific studies on forest biomass. These factors have led to an update of SA90, the current exercise providing an interim view and laying... | |
 | United States. Congress. House. Committee on Science - 1999 - 1266 pages
...greenhouse gas emissiom ю AD 2025: political event» and economic changes in the former USSR. EaMcrn Europe and the Middle East: re-estimation of sources...this Assessment): revision of preliminary FAO data on iropical deforestation: and new scientific studiei on forest biomass. These factors have led ю an... | |
 | United States. Congress. House. Committee on Science - 1999 - 1260 pages
...Nations: publication of the 1PCC Energy and Industry Sub-croup scenario of greenhouse gas emissions to AD 2025. political events and economic changes in the former USSR. Eastern Europe and the Middle East: re-estimaiion of sources and sinks of greenhouse gases (reviewed in this Assessment): revision of preliminary... | |
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The results of scenarios can vary considerably from actual outcomes even over short time horizons. Confidence in scenario outputs decreases as the time horizon increases, because the basis for the underlying assumptions becomes increasingly speculative.... 