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New Carbon Accounting Method To Reduce Farmers' Use Of Nitrogen Fertilizer
2012-07-18 15:06:33

Large amounts of nitrogen fertilizer lead to nitrous oxide, a greenhouse gas, in the atmosphere It's summer. For many of us, summer is a time synonymous with fresh corn, one of the major field crops produced in the United States. In 2011, corn was planted on more than 92 million acres in the U.S., helping the nation continue its trend as the world's largest exporter of the crop. Corn is a nitrogen-loving plant. To achieve desired production levels, most U.S. farmers apply synthetic...

2011-02-11 07:49:36

Scientists address climate change effects on ecosystems from grasslands to forests to open ocean Human activities such as burning of fossil fuels and land use change have increased atmospheric carbon dioxide by 40 percent since the start of the industrial revolution, researchers have found. The result is a hotter Earth, with warmer average temperatures around the globe and a future climate system that will be more variable, and with more extreme events, says Scott Collins, a scientist at the...


Word of the Day
toccata
  • In music, a work for a keyboard-instrument, like the pianoforte or organ, originally intended to utilize and display varieties of touch: but the term has been extended so as to include many irregular works, similar to the prelude, the fantasia, and the improvisation.
This word is Italian in origin, coming from the feminine past participle of 'toccare,' to touch.
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