Houses grown, not built. Power-generating soil. And snail poop that … well, see for yourself

Im no numbers cruncher, but with the worlds population projected to grow nearly 30 percent, to 9.1 billion people, in 25 years, I do have a few burning questions. Like, will there be enough world to go around? How much can we reasonably ask of this earth we walk on? How will we make, build and live with already limited and stressed resources?

via Houses grown, not built. Power-generating soil. And snail poop that … well, see for yourself in our coverage of a new Rotterdam exhibit.