Co-founders Michelle Zhu and Tammy Hsu have patented a biotechnology to create "green jeans." Instead of using toxic chemicals like petroleum and cyanide, Tinctorium turns sugar into indigo blue ...

The researchers think that, if indican were used instead of indigo to dye the nearly four billion jeans made each year, then it could have a significant impact on reducing toxic waste and global ...

Who doesn't like blue jeans? They're practically ... he has found an environmentally green way for the industry to churn out the dye without the use of the toxic compound. When plant leaves ...