Hemp is one of the most versatile crops in the world. For food products, only the hemp seed is used. The rest of the plant — the stalk or fiber, can be used for clothing, building materials or energy.
Many emerging market countries will be home to an exploding population with a growing working-age populace over the next several decades, which will lead to attractive investment opportunities.
In sum, to ensure a world where hunger does not overwhelm society, bold leadership will be necessary to preserve civility in the global neighborhood.
Rather than rolling the dice for a revolutionary solution, more investment is needed in low risk technologies with the proven ability to scale over the short term.
The next four decades will be full of the unexpected, since we live in an era of particularly rapid change. But Megachange is something to be embraced, not feared. Here's why.
"It's like a leaking boat in which we keep bailing it out and we're very pleased with ourselves.. the problem is we haven't fixed the holes yet," says Alan Greenspan, Greenspan Associates commenting on Europe's fiscal crisis and sharing his thoughts on how to fix a very sluggish U.S. economy, with CNBC's Maria Bartiromo.