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Home >> Sci-Edu
UPDATED: 16:09, January 05, 2007
2007 could be warmest year: scientists
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A resurgent El Nino and persistently high levels of greenhouse gases are likely to make 2007 the world's hottest year ever recorded, climate scientists said yesterday.

The warmest year on record is 1998, an El Nino year when the average global temperature was 0.52 C higher than the long-term average of 14 C.

There is a 60 percent chance that the average global temperature for 2007 will match or break that record, Britain's Meteorological Office said.

"This new information represents another warning that climate change is happening around the world," the Met Office said in a statement.

Figures for 2006 are not yet complete but the Met Office said temperatures were high enough to rank among the top 10 hottest years on record.

El Nino a cyclical warming trend now under way in the Pacific Ocean typically leads to higher temperatures worldwide. The last El Nino was in 2002.

This year's El Nino is not as strong as in 1997 and 1998, but the combination of El Nino and the steady increase in temperatures due to global warming may be enough to break the record, said Phil Jones, the director of the Climatic Research unit at the University of East Anglia.

"Because of the warming due to a greenhouses gases, even a moderate warming event is enough to push the global temperatures over the top," he said.

El Nino can sometimes lead to milder weather: the northeastern United States is likely to have fewer hurricanes this year because of El Nino.

However, it can increase the severity of weather-related disasters such as typhoons in the Philippines or drought in southern Africa and Australia, a country already suffering through its longest dry spell on record.

Source: China Daily/agencies

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