solar flares and climate change

This week I heard about some interesting science which entered the climate change debate… for years now people have argued about the effect of the suns activity on the earth’s climate, with global warming sceptics claiming that the heating of the planet is the result of a natural, cyclical solar phenomenon. Well…. recent research suggests that an increase in the sun’s activity actually cools the earth rather than heats it. The new data shows that as solar activity fell at the end of one of the sun’s 11 year cycles, the light and heat reaching the Earth actually rose. This means that over the past century overall solar activity has been increasing and should therefore have cooled the Earth, but as it is global temperatures have actually increased.

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