Mail and Guardian: Last year was the hottest year in recorded history. It continued a trend of every year in the last decade being warmer than the one before. Nine of the ten hottest years in record happened in that same time period. This is despite all the things that traditionally make the world colder less solar activity and more aerosols in the atmosphere being dominant in the climactic system.
The odd year out was 1998. This corresponded with a strong El Nio. The phenomenon has a large-scale effect on...