Word: amounting
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...dangerous as if it had occurred farther back," says Cain. "The same amount of damage in another area would have been more problematic...
...order to understand how much actual physical activity the kids were getting, the Peninsula team had them wear ActiGraphs, light but sophisticated devices that measure not only the amount of physical movement that one's body engages in but its intensity. During four one-week periods over four consecutive school terms, the kids wore the ActiGraphs not just during school but all day (except when bathing or sleeping...
...findings are remarkable: No matter how much P.E. they got during school hours, by the end of the day, the kids from the three schools had moved around about the same amount, at about the same intensity. The kids at the fancy private school underwent significantly more physical activity before 3 p.m. than the kids at the other two schools, but overall, when you look at entire days, they got no more activity. "Once they get home, if they are very active at school, they are probably staying still a bit more because they've already expended so much energy...
...helped launch a global rethinking of biofuels in 2007 by calling attention to their effects on land use, warns that the EPA assumptions are extremely optimistic - and that if they're wrong the consequences could be extremely dire. "It takes a lot of land to make a small amount of energy," Searchinger says. "Academic studies have concluded that if the world gets even 10% of its energy from these new kinds of crops, most tropical forests will probably disappear." (Read "The Clean Energy Scam...
...also true that there's a lot of uncertainty when it comes to biofuels. But it's not good uncertainty. Study after study suggests that growing fuel could be a disaster for the planet, while raising global food prices and promoting global food riots. The amount of grain it takes to fill an SUV with ethanol could feed an adult for a year; we need every acre of farmland to feed the world. President Obama never claimed to be a reformer when it came to ethanol, and he and Vilsack have been big supporters of next-generation biofuels. Maybe there...