New study reveals conceiving one fewer child eclipses all other CO2 reduction strategies. Why Japan’s birth dearth isn’t bad news. What countries are overpopulated? Should the overdeveloped world focus on cutting consumption or reducing births? Could we downshift to a simpler lifestyle? Family planning cuts in the U.S. and how that won’t reduce abortions. Reducing our footprint: are the small things worth doing? Kaitlyn’s pet peeve about veganism. Does peeing in the shower save water? The GrowthBusters team is Dave Gardner, Kaitlyn Hickmann and Ben Bacher. They bring you the latest thinking on living sustainably in a growth-addicted world. For more information, explore http://www.growthbusters.org.