Global Climate Change Uncertainties

Unresolved questions about Earth's climateExtreme Ultraviolet Imaging Telescope (EIT) image of the sun with a huge, handle-shaped prominence, taken in 1999. While there is no evidence of a change trend in solar output over the past half century, long-term changes in solar output are not well-understood.This website presents a data-rich view of climate and a discussion of how that data fits