Guilt-free OJ could soon be heading to a shelf near you, thanks to a new fertilizer trial launched by PepsiCo, owner of the Tropicana juice brand. At present, each half-gallon carton of juice produces 3.75 pounds of carbon, about a third of which can be blamed on the natural gas used to produce nitrogen fertilizers. The company is currently testing alternatives in an attempt to cut total carbon emissions by around 20%.
The Copenhagen climate summit offers important lessons for businesses seeking to maintain and build green reputations, writes Gail Whiteman. Rather than merely pay lip service to sustainability issues, companies need to demonstrate a serious, long-term commitment to green values, she says.
The Centers for Disease Control and Prevention has released a study of 212 chemicals found in the blood and urine of 8,000 people. Dan Shapley explains how to avoid six of the most common and dangerous toxins.