Industrial countries have to cut back on emissions while also deploying improved energy technologies to developing nations. I don't see why the article conclude

Industrial countries have to cut back on emissions while also deploying improved energy technologies to developing nations. I don't see why the article concludes with not cutting back emissions in more developed nations because developed nations must absolutely become more efficient energy utilizers. American citizens can not continue their business as usual of producing 10x as much CO2 as everyone else.