"Oil wells go dry and coal seams run out, but for the first time since the Industrial Revolution began we are investing in energy sources that can last forever." –Lester R. Brown, Plan B 4.0: Mobilizing to Save Civilization.
Some of Janet Larsen's latest bike-share research has been featured in the Economist. Today more than 500 cities in 49 countries host advanced bike-sharing programs, with a combined fleet of over 500,000 bicycles. See the full article in the latest print issue or online here.