Simple economic models, often quoted in the media, show that unconstrained global warming would cost a substantial 2% of GDP in the rich world by the end of the century. But this fails to acknowledge that people will change their behavior when the environment changes.
Los modelos económicos simples, muchas veces citados en los medios, demuestran que un calentamiento global desenfrenado costaría un sustancial 2% del PBI en el mundo rico para fines de siglo.