That was then, this is now

No, this isn't a celebration of the literary legacy of S.E. Hinton. This is just a short item highlighting two New York Times articles on global climate change.

That was then

Computer-aided analysis of CO₂ levels throughout the Phanerozoic eon is introducing half a billion years of atmospheric data into discussions of global climate change.

This is now

The International Energy Agency projects that China will surpass the United States in CO₂ emissions in 2009, nearly a decade ahead of ealier estimates.