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Companies worldwide are now competing to cut their carbon emissions, but is this trend one of environmental concern, hard-headed business or careful PR? Kurt Kleiner investigates.
The latest report from the Intergovernmental Panel on Climate Change assesses the skill of climate models by their ability to reproduce warming over the twentieth century, but in doing so may give a false sense of their predictive capability.
This month, Kevin Vranes at the Center for Science and Technology Policy Research in Boulder, Colorado, reviews recent climate legislation passing through US Congress.