Al Jazeera: The criteria used by everyone from farmers to governments to predict normal weather patterns need to be updated more frequently to account for significant changes caused by climate change, the U.N.s World Meteorological Organization said Wednesday.
The WMO's Commission for Climatology believes that rising temperatures and more frequent heat waves and heavy rains mean that existing criteria, based on climate averages from 1961 to 1990, are out of date.
The commissions report highlighted growing...