A Comparison of Global and Regional Energy Emission Scenarios

Numerous scenarios of possible future developments of long-term energy consumption and supply and their environmental impacts have been developed. This is because scenarios reflect both an intrinsic interest to explore possible alternative futures, and are also an indispensable input for assessing long-term environmental impacts, e.g. of possible climate change. One of the most prominent and influential recent family of scenarios was developed within the framework of the IPCC, the Intergovernmental Panel on Climate Change. These scenarios not only continue to be a central input for climate change and impact studies (in particular the central variant scenario IS92a), but also represent perhaps the most ambitious effort to explore a wide range of alternative development paths in the area of population growth, economic development, energy demand and resulting greenhouse gas emissions.

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