Word: footprint
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...which it plans to print on packaging in the future. This innovative move both makes it easier for consumers to be savvy about the environment and holds companies to a higher standard during the manufacturing process. Other leading brands should follow PepsiCo’s lead in publishing carbon-footprint numbers, with the aid and the imperative of the government...
...carbon diet. The meal plan of the average American family accounts for 2.8 tons of CO2 emitted annually, compared with 2.2 tons for driving. Worldwide agriculture contributes some 30% of global greenhouse-gas emissions, far more than transportation. So when it comes to cutting your carbon footprint today, the truth is that what you eat is as important as what you drive. "If you can't buy a Prius," says Jonathan Kaplan of the Natural Resources Defense Council, "you can certainly eat like...
...energy-intensive the global food system is. More than 37% of the world's land is used for agriculture, much of it ground that was once forested--and deforestation is a major source of carbon. The fertilizer and machinery needed on a modern farm also have a large carbon footprint, as does the network of ships and trucks that brings the food from the farm to your plate. On average, it takes seven to 10 times as much fossil-fuel energy to produce and ship food as we get from eating...
...most efficient way to shrink the carbon footprint of your menu is to eat less meat, especially beef. Raising cattle takes a lot more energy than growing the equivalent amount of grains, fruits or vegetables: most produce requires about 2 calories of fossil-fuel energy to cultivate per 1 calorie of food energy; with beef, the ratio can be as high as 80 to 1. What's more, the majority of cattle in the U.S. are reared on grain and loads of it--670 million tons in 2002--and the fertilizer used to grow that feed creates separate environmental problems...
...while locally grown has become some eco-eaters' mantra, what you eat matters more than where it comes from. Our food travels from 1,500 to 2,500 miles on average from farm to supermarket, but that journey typically accounts for just 4% of a food's carbon footprint. "Focus on eating lower on the food chain, with more plants and fruits and less meat and dairy," says Kate Geagan, a dietitian and author of the forthcoming book Go Green Get Lean. "It's that simple." Installing solar panels or buying a hybrid may not be possible for many...