Living on Earth
12:51 pm
Tue April 17, 2012

The Guar Gum Bubble

Wed. 4/18 8a: Big business is in a bidding battle over a little legume that’s used in everything from food to fracking. 

The interest in guar gum has caused the price to dramatically spike. Living on Earth’s Ike Sriskandarajah explores the popularity of this desert crop.