Astronomical not Earthly events may be the root cause of global warming

According to a Channel 4 UK television documentary last week, global warming may have more to do with sun spots than human generated carbon emissions. If this is true, global warming may be a slower phenomenon than currently believed, which is reassuring, but also one which we can do nothing about, which is much more scary.

The point was made that planet Earth has gone through proven cycles when temperatures ranged widely across the globe. The North and South poles have been melted long before the internal combustion engine was even a twinkle in the eye of homo sapiens. Ice ages have come and gone with no intervention from human beings and there is no reason to believe that this will not happen in the future. More on astronomy article