How sustainable is vertical farming?
Friday, December 11, 2015 - 09:33
in Earth & Climate
The world's food system is beginning to strain under a global population expected to reach nine billion by 2050, by which time the planet's arable land is projected to be half of what it was in the 1970s. And as climate change threatens long-term food security, agriculture will need to produce 70 percent more food to feed an increasingly crowded world.