Climate change could be approximately twice as severe as previously estimated if radical action is not taken, according to modelling by the Massachusetts Institute of Technology (MIT).
The modelling sought to determine the Earth’s climate change for this century, and uses a detailed computer simulation of global economic activity and climate processes that has been developed by the Institute’s Science and Policy of Global Change program since the early 1990s. The research involved 400 runs of the model, each run using a slight variation in input parameters, which were selected so that each run had an equal probability of being correct based on present observations and knowledge.
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The MIT model allows for detailed treatment of possible changes in human activities, such as the degree of economic growth in difference countries, and the associated energy use. Study co-author Ronald Prinn, also the co-director of the Global Change program, said that it was important to base opinions and policies about global warming on the peer-reviewed science.
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