Current levels of the greenhouse gases carbon dioxide and methane in the atmosphere are higher now than at any time in the past 650,000 years.
|
Sunday, September 16, 2007
Current levels of the greenhouse gases carbon dioxide and methane in the atmosphere are higher now than at any time in the past 650,000 years.
|
||
|
|
Comments
Admin's note: Participants in the discussion of this weblog entry should note the site's moderation policy. |
|