Word: carbone
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Dates: during 2000-2009
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...rule, presidential candidates not named Ross Perot don't propose fuel-tax hikes. Interestingly, though, to fight global warming, Clinton, McCain and Obama are all in favor of a carbon-cap-and-trade regimen, which would raise the price of fossil fuels just as surely as a direct tax would. Almost in spite of ourselves, we may end up with a semi-rational long-term energy policy. It won't make gas cheaper anytime soon - or perhaps ever - but in the long run, it could strengthen the country's economic prospects...
...Americans grow more green-minded, more of them want to approach environmentalism in concrete terms. Thanks to websites like Carbonrally, one increasingly popular way to do so is by measuring and measurably reducing our carbon footprints--the greenhouse gases we're responsible for emitting. The more dependent we are on fossil fuels, the bigger our carbon footprints; unsurprisingly, Americans, who are responsible for more than 20 tons of CO2 per capita annually, have some of the biggest feet in the world. How big? A recent study by a class at the Massachusetts Institute of Technology found that even a homeless...
Especially if contributing to a solution feels like playing a competitive sport. Carbonrally lays out environmental challenges and keeps score by translating green actions into pounds of carbon dioxide averted. For instance, cutting your daily shower time by two minutes for a month--a recent challenge--reduces CO2 emissions by 15.3 lbs. "This has been a great motivation technique," says Schroeder, who has logged individual savings of more than 1,000 lbs. of CO2 on Carbonrally. "We just want to keep going and see if we can do better...
Learning your approximate carbon shoe size is the first step. Everything you do that is powered by fossil fuels has a carbon dioxide cost, and it adds up--a bit like credit card debt. Some actions, like commuting in a gasoline-powered car, have obvious carbon costs. Others are less clear but still significant. Take your diet: livestock are responsible for an estimated 18% of global carbon emissions, so when you chow down a hamburger, you're effectively emitting CO2 as well. Even something as small as an iPod Nano will add to your carbon footprint, thanks to both...
...course, carbon is such a universal ingredient of modern life that it's impossible to measure exactly how big your individual footprint is. But you can get a decent estimate at a number of websites. One of the best is run by the Nature Conservancy, which leads you through a detailed questionnaire on your home energy use, driving, flying and diet. The Environmental Protection Agency (EPA) has a carbon calculator that not only sizes up your footprint but also allows you to see how changing your behavior--like driving less--can reduce your impact. No two carbon calculators...