Alejandro Velez and Nikhil Arora, co-founders of Back to the Roots LLC in Oakland, Calif., have grown a business out of other companies' trash. They manufacture grow-at-home oyster mushroom kits filled with used coffee grounds. WSJ's Lauren Rudser reports. Video originally aired November 13, 2011.
Don’t miss a WSJ video, subscribe here: [ Ссылка ]
More from the Wall Street Journal:
Visit WSJ.com: [ Ссылка ]
Visit the WSJ Video Center: [ Ссылка ]
On Facebook: [ Ссылка ]
On Twitter: [ Ссылка ]
On Snapchat: [ Ссылка ]
![](https://s2.save4k.ru/pic/BpRTUZpwYyk/maxresdefault.jpg)