Posted AT 2:45 PM EDT on 24/11/05
Ancient air bubbles shed light on greenhouse gases
Washington — There is more carbon dioxide in the atmosphere today than at any point during the past 650,000 years, says a major new study that let scientists peer back in time at “greenhouse gases” that can help fuel global warming.
By analyzing tiny air bubbles preserved in Antarctic ice for millenniums, a team of European researchers highlights how people are dramatically influencing the buildup of these gases.
The full text of this article has 616 words.
To continue reading this article, you will need to purchase this article.
Already have a member account? Login now
Pay-Per-View Offers To read the complete article, select one of the following options
Purchasing from globeandmail.com is quick and secure.
Child's View 
- Focus on malaria
- Scenes from life in Liberia
Earlier discussion
slideshow
- Medical marijuna
- Alison Myrden's painful battle with MS
Features
- Confronting cancer
- Globe Series concludes with look at people who blaze trails
- Battling cancer
- Breast cancer death rates declining
-
Special report:
A day in the life
4In pictures
- Best position in bed
- How you sleep can make you feel better or worse
