The argument is that the price of carbon dioxide could be kept reasonable - which is to say at a level that would promote measures to reduce emissions - if the cut were 30%.
Argumentul adus este acela că preţul dioxidului de carbon ar putea fi menţinut la un nivel rezonabil - adică la un nivel care ar promova măsurile de reducere a emisiilor - dacă reducerea ar fi de 30 %.