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Miércoles 13 de diciembre de 2023

Seminario de investigación: Using integrated assessment models to analyse existing climate policies, targets and related feasibility challenges

Por Dirk-Jan Van de Ven, Basque Centre for Climate Change /BCE)

INARBE organiza este seminario que se celebrará el 13 de diciembre a las 12,00h. en la sala de conferencias del edificio Jerónimo de Ayanz.


The COP26 Glasgow process resulted in many countries strengthening their 2030 emissions reduction targets and announcing net-zero pledges for 2050–2070 but it is not clear how this would impact future warming. Using four diverse integrated assessment models (IAMs) to assess CO2 emission trajectories in the near- and long-term on the basis of national policies and pledges, as well as temperature implications. We also consider the feasibility of national long-term pledges towards net-zero. While near-term pledges alone lead to warming above 2 °C, the addition of long-term pledges leads to emissions trajectories compatible with a future well below 2 °C, across all four IAMs. However, while IAM heterogeneity translates to diverse decarbonization pathways towards long-term targets, all modelled pathways indicate several feasibility concerns, relating to the cost of mitigation and the rates and scales of deployed technologies and measures

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