Associated Press: This year is forecast to be among the top 10 hottest years on record, Britain’s weather office said Thursday, despite a strong cooling effect predicted from the tropical weather phenomenon known as La Nina. The global surface temperature in 2008 will rise 0.67 degrees Fahrenheit above what climate scientists call the long-term average of 57.2 degrees Fahrenheit, the Met Office said. The average is derived by calculating the mean of surface temperatures registered globally between 1961 …