 |
 |
  |
|
|
|
|
National Park Service
Email Us
|
|
|
|
|
|
|
|
|
 |
|
Did You Know?
In addition to raising sea levels and temperatures, the increased concentration of carbon dioxide in the atmosphere is changing ocean chemistry by reducing the pH of the ocean. This decreased pH reduces the availability of minerals which marine organisms use to build shells and reef structures.
more...
|
|
|
|
Last Updated: July 25, 2006 at 00:22 EST |