Russia's Emissions Down By 40% From 1990 Levels

Is that a triumph of eco-socliasm? Not really. The collapse is rather due to the economic problems that followed the break-up of the Soviet Union. In fact the emissions reached a maximum 60% decrease in 2003. And Russia is not alone. The other republics of the former Union also exhibit similar patterns as this interesting NYT graphic will show.

While you're at it I would recommend you scroll through the interesting timeline on climate change which begins with Fourier's early theory and ends with COP15.