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.

Lester Brown has spent his career making shrewd projections about the food, water, and energy people need to survive, and pushing governments to respond. None of this math brings tears to his eyes except the time in 1965 he made some calculations and risked his career advising the president of the United States to save India from starving. Get the full, incredible story, featured in Bloomberg here.