The United Nations agency dealing with weather and climate today reported that ozone loss over the Arctic has reached an unprecedented level this spring owing to the continuing presence of ozone-depleting substances and extremely cold temperatures. Data shows that the Arctic region has suffered an ozone column loss of about 40 per cent from the beginning of the winter to late March, according to a news release issued by the World...

The year 2010 ranked as the warmest on record – together with 2005 and 1998 – according to the United Nations World Meteorological Organization (WMO), which added that last year also witnessed a large number of extreme weather events, including the heat wave in Russia and the devastating floods in Pakistan. In 2010, the global average temperature was 0.53 degrees Celsius (0.95 degrees Fahrenheit) above the mean for the period from...

Global temperatures from November 2010 are similar to those observed in November 2005 The year 2010 is almost certain to rank in the top three warmest years since the beginning of instrumental climate records in 1850, according to data compiled by the World Meteorological Organization (WMO) that were released here on Thursday. A WMO statement said the global combined sea surface and land surface air temperature for 2010 (January–October) is now estimated...

The year 2010 is almost certain to rank among the three warmest years since the beginning of instrumental climate records in 1850, with the possibility of topping the chart, the United Nations World Meteorological Organization (WMO) reported today. The global combined sea surface and land surface air temperature for January–October is estimated at 0.55 degrees Celsius, plus or minus 0.11 degrees, (0.99 degrees Fahrenheit, plus or minus 0.20 degrees) above the...

The main greenhouse gases have reached their highest concentration levels since pre-industrial times, a United Nations climate research body said today. The World Meteorological Organization’s (WMO) 2009 Greenhouse Gas Bulletin warns that carbon dioxide, methane and nitrous oxide have all increased their presence, increasing their burden on the earth’s atmosphere. “Greenhouse gas concentrations have reached record levels despite the economic slowdown. They would have been even higher without the international action taken...