climate model

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Q&A: How ‘integrated assessment models’ are used to study climate change

Working out the best ways to tackle climate change is one of the key challenges facing policymakers both today and in the decades ahead — To inform these decisions, scientists and economists have developed a suite of tools known as “integrated assessment models” (IAMs). These models are used to answer central questions about climate change, …

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Permafrost and wetland emissions could cut 1.5°C carbon budget ‘by five years’

Emissions of CO2 and methane from wetlands and melting permafrost as the climate warms could cut the “carbon budget” for the Paris Agreement temperature limits by around five years, a new study says — These natural processes are “positive feedbacks” – so called because they release more greenhouse gases as global temperatures rise, thus reinforcing …

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New Version of Popular Climate Model Released

After spending months addressing a big glitch, researchers released the second version of the Community Earth System Model — One year ago this month, climate researchers met at a workshop in Boulder, Colo., to fix a big glitch in the second version of the Community Earth System Model (CESM), a computer program that scientists around …

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