That's not the case at all. The world isn't really a black/white place. In an ideal world, we'd all stop right now and focus -- concertedly -- our efforts on reverting climate change. Unfortunately, life just doesn't work like that.
You go ahead and tell two large, thriving and growing, economies that "oops, we screwed up the planet, but at least we made a ton of money and our citizens live a nice quality of life! Wait, what? You want to improve your country, too? Well, you see, we sort of screwed up the planet and now you need to bear the responsibility on our behalf. Yes, that means stifling your economy and keeping your citizens in poverty. Yes, this also means the world will continue to view you as poor, undeveloped countries. What's that? For how long? Well, we don't really know, I mean, it could be a while..."