Most of this increase is occurring in less developed countries - where the number of older people will rise from 400 million in 2000 to 1.7 billion by 2050.
And it's not so much that these important factors have been left out, but for some reason it seems like their value is not clearly communicated most of the time.
Exactly. The scope of it was immense. So that was fun to read, partly because my day-to-day problems with Congress seem fairly petty — not something to worry about.
Richer nations say their greenhouse gas emissions have started to drop, and most of the growth in emissions will come from poor nations starting to industrialize.