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Warming to Cause Catastrophic Rise in Sea Level?
This news article describes the possible consequences of a substantial rise in sea level. It explains that current observed increases in sea level are mostly due to the expansion of sea water, which has become warmer. The most serious threat would be melting of the large ice sheets, such as the one on Greenland, which are capable of releasing enough water to flood low-lying coastal areas. Researchers describe a scenario in which complete melting of the Greenland ice sheet could raise sea levels by 7 meters (23 feet). Other topics include the connection between the burning of fossil fuels and release of Carbon dioxide, and possible impacts to ecosystems, agriculture and biodiversity.
Intended for grade levels:
  • Middle (6-8)
  • High (9-12)
Type of resource:
  • Text:
    • Journal article
  • Climatology
  • Environmental science
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright 1996-2005, National Geographic Society. All rights reserved.
DLESE Catalog ID: DLESE-000-000-008-873
Resource contact / Creator / Publisher:
National Geographic News