It's a scientific paper, they need to be precise with language. Saying "East Asia" in the title and then specifying in the paper that most of the impact comes f

It's a scientific paper, they need to be precise with language. Saying "East Asia" in the title and then specifying in the paper that most of the impact comes from China is precise. Saying "China" in the title would be misleading, saying "mostly China" would be incomplete and imprecise.