2008 is set to be cooler globally than recent years, but is still forecast to be one of the top-ten warmest years. Each January the UK's Met Office, in conjunction with the University of East Anglia, issues a forecast of the global surface temperature. They consider contributing factors, such as El Niño and La Niña, greenhouse gas concentrations, industrial aerosol particles, solar effects, and natural variations of the oceans. Engineers quibble over whether or not global warming is natural or man-made. They also argue over what will resolve it. What do you think?
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