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Word: amounts (lookup in dictionary) (lookup stats)
Dates: during 2000-2009
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...despite the sheer amount of carbon the shipping industry produces, its biggest emitters are relatively few. Bradford estimates that about 20,000 of the biggest and most polluting ships contribute about half the carbon emitted by the industry as a whole, so any solution to the emissions problem could be implemented much more easily than, say, changing the 800 million or so passenger cars in the world. "Ships could be retrofitted to be cleaner and more efficient quickly," says Bradford. (See the world's most polluted places...

Author: /time Magazine | Title: Global Warming: Why Branson Wants to Step In | 12/31/2009 | See Source »

...gain any more ground, authorities may have to do just that. Even though there are costs associated with enforcement, the government will probably still come out ahead -officials estimate that the state spends about $15 billion a year treating smoking-related illnesses. Stamping out a few butts could amount to very little in comparison...

Author: /time Magazine | Title: Smoking Ban? The French Light Up Again in Public | 12/26/2009 | See Source »

...thereby affect the risk of stress fractures. Researchers recruited 10 male participants, each of whom typically ran about three miles per day, and calculated their risk of experiencing a stress fracture - about 9% over 100 days. By observing the participants running at varying stride lengths and recording the amount of force their foot strikes exerted on the ground, researchers were able to estimate the force each runner applied to his shinbone. According to the computer model, if the runners reduced their natural strides about 10%, they could reduce their risk of fracture by a third...

Author: /time Magazine | Title: Is Running Bad for Your Knees? Maybe Not | 12/25/2009 | See Source »

...reason is less air time, researchers say - the less time a runner's feet spend airborne, the less force they strike the ground with. Still, the results of a mathematical model are difficult to re-create in real life, especially since it takes a fair amount of practice to adjust to a shortened stride. Runners who abbreviate their stride try instinctively to quicken their pace to compensate. That can negate any protective effect of stride shortening - when you speed up, the force on the bone increases proportionately...

Author: /time Magazine | Title: Is Running Bad for Your Knees? Maybe Not | 12/25/2009 | See Source »

...working in Bannu agency on the border of Waziristan. Today's it's an active war zone. "We were in Bannu for a very, very long time," says Knox, who excavated there from the mid-1970s to 2001. "We scratched the surface. There's still an enormous amount to do and sites are lost more or less daily. It's almost a free-for-all, particularly in difficult war-like areas...

Author: /time Magazine | Title: Pakistan's Turmoil Endangers Its Archaeological Treasures | 12/25/2009 | See Source »

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