Tuesday, 1 July 2008
Graph of the day - this shows how the total miles travelled on American roads have doubled in last 15 years; from traffic volume trends
The topical interest is in the little swerve in 2008 - the last 6 months all show year on year declines, which from a climate change perspective is a good thing (we are well into the Red Zone is a gathering consensus around James Hansen of NASA's recent position). But my god look at how things have changed within such a brief spell of living memory. Compound those figures with greater congestion (fuel inefficient stop-start traffic) and the phenomenal growth of SUVs over that time...