Roger Harrabin,BBC News environment analyst (April 4, 2008) reports on the effects of a major 'la nina' in the Pacific Ocean. This part of a multi-year fluctuation, and it's cooling the planet this year. These types of short-term fluctuations have been built into the climate models, which are still predicting a longer-term warming trend. Still, it's good to be cool! (Unless you live in Wisconsin, which gets enough cool every winter).
Global warming 'dips this year'
Here is an excerpt: