Did you know? China is planting a belt of trees to protect land from the expanding Gobi Desert. This Great Green Wall is projected to extend some 4,480 kilometers (2,800 miles), stretching from outer Beijing through Inner Mongolia (Nei Monggol). Unfortunately, recent pressures to expand food production appear to have slowed this tree planting initiative. For more information view the text and data in Chapter 8 of 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.