Word: planting
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Dates: during 2000-2009
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...found that the filtering ability of streams couldn't keep pace with the flow of nitrogen pollution. So, as runoff from fertilizer increased, the natural denitrification system slowed, and more nitrogen survived untouched to the open ocean - worsening the dead zones. That's cause for concern as American farmers plant increasing amounts of corn, a crop that requires heavy fertilizer, to meet the growing global demand for grain and to supply America's corn-hungry ethanol makers. According to a separate study published by University of British Columbia and University of Wisconsin researchers this week in the Proceedings...
...conclusion. Our inland waterways can barely handle the nitrogen fertilizer we're already using in order to grow record yields of corn and other crops. Truly ramping up biofuel production - unless it can be done in a way that uses much less fertilizer, perhaps with experimental techniques that harness plant waste matter instead of food crops - might overwhelm that system. "We have to be very careful about biofuels in terms of what kind of crops we grow and where we grow them," says Mulholland. "The great expansion of corn could be a real problem." It would be a poor tradeoff...
...percent during the winter menu cycle alone. This inflation—recently the source of countless Economist and New York Times articles—is the symptom of many converging problems. The rising costs of oil has consequences fo the food industry: it’s more expensive to plant, harvest, ship, cook and heat facilities. Populations in countries like India and China are becoming wealthier and eating more meat. Since animals are higher on the food chain, it takes more pure vegetation to yield the same number of calories in meat-form than it would by consuming the plants...
...caught in the Red Sea, substantiating the long-suspected link between the Shiite Islamic Republic of Iran and Sunni terror groups such as Hamas and Islamic Jihad in the Palestinian Authority. The lesson is now clear: Israel is no longer merely dealing with a localized Palestinian threat, seeking to plant bombs in the heart of Tel Aviv and Jerusalem. Israel is immersed in a larger battle against fundamentalist Islam, a movement that has always postured itself against Israel, but which today is actively engaged in an effort to destroy the Jewish State...
...micrometer-thick strip of piezoelectric material (the diameter of a thin strand of human hair) could produce about 1 microwatt per raindrop. That's barely noticeable, but it could be enough to power environmental sensors, especially in areas where condensation is constant--like the inside of a nuclear power plant's cooling towers. "When you add up all the materials and costs in powering, battery production and charging you save with [the strips], it really adds up," says Chaillout. A similar technology is being explored by Georgia Tech researchers who developed a piezoelectric yarn that produces a current when strands...