AS NAILS in the coffin go, they don’t get much bigger: three independent studies have shown that climate sceptics who claim that Earth is not warming have been using faulty data to make their point.
The debate on climate change has often centred on the temperature of the lower troposphere. Common sense and computer models suggest that as the Earth’s surface warms, so should this layer of the atmosphere. But measurements from satellites and balloons did not always support this.
In 1992, John Christy of the University of Alabama in Huntsville analysed the satellite measurements and concluded that the lower…
