Word: co2
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Then there's the green card: the $24 million Q400 burns from 30% to 40% less fuel than--and emits half the CO2 of--a 70-seater regional jet and offers up to eight more seats. ATR says its light, $18 million 72-seater goes further, consuming 30% less fuel than the Q400 and 50% less than a regional...
Those plans include a thin-film solar factory, along with investments in wind and solar and in carbon-trading projects throughout the world. Most significantly, Masdar is pioneering a model carbon capture and sequestration (CCS) project with the energy and mining giants BP and Rio Tinto that will take CO2 emissions from industry in the emirate and store the CO2 in abandoned oil wells. Since even the most optimistic energy projections assume we'll be burning fossil fuels for decades, perfecting CCS is vital to controlling emissions--and who would be better suited to cleaning up fossil fuels than...
...really want to go green, the conventional thinking goes, buy a hybrid. Practically speaking though, there is a faster and cheaper option: shift to a low-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...
...million tons in 2002--and the fertilizer used to grow that feed creates separate environmental problems, including surface runoff that leads to dead zones in coastal waters like the Gulf of Mexico. Those grain-fed cattle then belch methane, a greenhouse gas that is 20 times as potent as CO2. "Reducing beef is the first step to a green diet," says Michael Jacobson of the Center for Science in the Public Interest (CSPI...
That one step can make an enormous impact on the atmosphere and your arteries. A 2005 study by the University of Chicago found that one person switching from a red-meat-based diet to vegetarianism could save about the same amount of CO2 as trading in a Toyota Camry for a Toyota Prius. There's no shortage of evidence that reducing red meat--Americans eat more than 60 lb. of dead cow annually--is also good for your health. CSPI estimates that replacing one 3.5-oz. serving of beef, one egg and a 1-oz. serving of cheese each...