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Latest Donald Zak Stories

New Effect Of Acid Rain On Forests
2011-12-09 03:49:42

Scientists have discovered that nitrogen that falls from the atmosphere in acid rain can influence large tracts of sugar maples in North America.

Future Forests May Soak Up More Carbon Dioxide Than Previously Believed
2011-10-15 04:00:33

North American forests appear to have a greater capacity to soak up heat-trapping carbon dioxide gas than researchers had previously anticipated.


Word of the Day
marcescent
  • Withering but not falling off, as a blossom that persists on a twig after flowering.
The word 'marcescent' comes from a Latin word meaning 'to wither'.
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