I won't spend time on this, because it deals with a kind of geeky term called "climate sensitivity," which has been a factor in the models with large error bars because it's so hard to pin down.
No voy a demorar tiempo en esto, porque es una especie de término friki denominado "sensibilidad climática" que ha sido un factor en los modelos con grandes barras de error porque es muy difícil de precisar.