Soil: The world beneath our feet
> Without a radical change in the way we eat, by 2050 the world will need to grow around 50% more grain.<p>Is that the only way? What if we grow grains that need 50% less water? This article is mind numbingly preachy and ignores that technology can and always has been at the forefront of human progress. Yes, if we wake up one day in 30 years and find that we have made 0 technological progress then we will need 50% more grain.