Archive
Keyword - Carbon dioxide
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Carbon trading: How to save a forest - Premium content
Projects in Madagascar could provide a model for stemming deforestation. But first these efforts must deal with the poverty and political upheaval that threaten forests, reports Anjali Nayar.
4 November 2009
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Climate: Counting carbon in the Amazon
If the next climate treaty tackles deforestation, tropical nations will need to monitor the biomass of their forests. One ecologist has worked out a way to do that from the sky, finds Jeff Tollefson.
21 October 2009
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Climate targets for ships deferred
Nations agree to cut some pollutants but not carbon dioxide.
17 July 2009
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Earth science: A lakeful of trouble - Premium content
Africa's Lake Kivu contains vast quantities of gas, which makes it both dangerous and valuable. Anjali Nayar asks whether it is possible to tap the gas without causing a disaster.
15 July 2009
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Climate crunch: A burden beyond bearing
The climate situation may be even worse than you think. In the first of three features, Richard Monastersky looks at evidence that keeping carbon dioxide beneath dangerous levels is tougher than previously thought.
29 April 2009
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Climate crunch: Sucking it up
It's simple to mop carbon dioxide out of the air, but it could cost a lot of money. In the second of three features on the carbon challenge, Nicola Jones talks with the scientists pursuing this strategy.
29 April 2009
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Climate crunch: Great white hope
Geoengineering schemes, such as brightening clouds, are being talked about ever more widely. In the third of three features, Oliver Morton looks at how likely they are to work.
29 April 2009
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China's plants absorb a third of its carbon emissions - Premium content
But another study shows vegetation will absorb less carbon dioxide as nations cut pollution.
22 April 2009
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IN BRIEF: America's science adviser speaks - Premium content
15 April 2009
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Tracing carbon dioxide's fate underground - Premium content
Greenhouse gas dissolves in water rather than becoming locked into minerals.
1 April 2009
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