Extinctions are expected to increase as we release CO2 from fossil-fuel burning. Economically: Group of answer choices Because the costs of extinctions are generally not fully included in economic models, we probably should do less now to reduce climate change than indicated by the models Because the costs of extinctions are generally not fully included in economic models, we probably should do more now to reduce climate change than indicated by the models Because the costs of extinctions are really lower than generally indicated in economic models, we probably should do more now to reduce climate change than indicated by the models Because the costs of extinctions are really lower than generally indicated in economic models, we probably should do less now to reduce climate change than indicated by the models Extinctions have nothing to do with the economy, and it is just silly to discuss extinctions and the economy together