"In 1901, there were 10,000 motor vehicles in the United States.
It took five years to multiply that number by 10. The next 10-fold increase took seven years, reaching one million vehicles by 1913. Just eight years later, it was 10 million.
From there, it took 47 years to get to the next milestone: America became a 100 million-car nation in 1968. Automobiles were everywhere…” READ MORE
Sunday, June 23, 2013
Link: Has America Already Hit “Peak Car”?
Monday, June 17, 2013
Link: XKCD webcomic shows how thick ice was over North-American cities 21,000 years ago
As you can see above, Chicago was relatively spared with only 900 meters of ice (0.55 miles), but Montréal was deep under 3,300 meters (2.05 miles) of ice.