There's a lot of mutual help. I don't think this process can be reversed. It's a realization of how interwoven our affairs have become, because actually this thing started with one country, at least on the surface, and affected all of us. The haze is one example. When I say that integration is called for, what we're talking about is that no area of cooperation can stand by itself any more.
Environmental degradation has an economic cost, and economic development has environmental costs.
You cannot develop science and technology unless you have a certain capacity. Yet you cannot hope to develop rapidly unless you have a sound technological base. All are tied together. We have to come together even more. At the height of our rapid economic growth, we banded together to gain greater strength in the international community.