Article: Current Carbon dioxide levels highest in past 2.1 mn years.

Article: Elevated carbon dioxide levels are expected ...
Knight Ridder/Tribune News Service;  August 6, 1993 ;     700+ words ... ... fossil fuels, which raises carbon dioxide levels, eventually will have that ... changes will happen even if the carbon dioxide levels never cause the much-debated ... than trees grown at ambient carbon dioxide levels. More roots set up conditions ...

Article: Drought worsens carbon dioxide levels
The Hindustan Times;  November 28, 2007 ;     580 words ... ... but also exacerbate rising carbon dioxide levels. It was found that in North ... and die and so take up less carbon dioxide. CarbonTracker showed that ... between drought and increased carbon dioxide levels isn't unique to North America ...

Article: High carbon dioxide levels cause stress in ...
M2 Presswire;  January 23, 2003 ;     623 words ... ... January 2003-US ARS: High carbon dioxide levels cause stress in barley(C ... RDATE:01232003 Atmospheric carbon dioxide levels have been rising steadily, and this elevated carbon dioxide can cause some plants to grow ...

Article: Study adds fuel to fears over Earth's carbon ...
Telegraph - Herald (Dubuque);  November 25, 2005 ;     609 words ...WASHINGTON (AP) - There is more carbon dioxide in the atmosphere today than at any ... scientists directly measure levels of carbon dioxide and other greenhouse gases, which ... measurements are disturbing: Levels of carbon dioxide have climbed from 280 parts per million ...

Article: Carbon dioxide levels rising under Labour.
M2 Presswire;  October 31, 2002 ;     700+ words ... ... FRIENDS OF THE EARTH: Carbon dioxide levels rising under Labour (C ... its promise of cutting 1990 carbon dioxide levels by 20 per cent by 2010 ... 1997 (152.5 MtC); * Carbon dioxide levels have only been reduced by ...

Article: ARCTIC TEMPERATURE RISE SPURS CARBON DIOXIDE ...
USA Today (Magazine);  August 1, 1999 ;     700+ words ... ... result in significantly higher levels of carbon dioxide being released into the atmosphere ... We found significant losses of carbon dioxide from the soil of the tundra," notes ... in by plants each growing season. Carbon dioxide is a major factor in global warming ...

Article: High carbon-dioxide levels spur ...
Des Plaines Times (IL);  December 2, 1999 ;     515 words ... ... circulation and get the carbon-dioxide levels down." Algonquin was built ... representative found the carbon-dioxide levels were "pretty high," Gunn ... window. That can reduce the carbon-dioxide levels by 30 to 70 percent ...