Fluctuations in solar radiation are a problem for solar power plants as they cause problems in the power grid and other reliability issues. In a recent study, scientists aimed to deepen our ...

Add Yahoo as a preferred source to see more of our stories on Google. The northern lights are pictured over Portsall in western France on January 19. - Oscar Chuberre/AFP/Getty Images Powerful solar ...

Solar radiation warms and illuminates our planet. It is the primary driver behind the movement of clouds and wind, helps keep us warm, and governs activity through daily and seasonal cycles. However, ...

One technique involves releasing particles of sulphur dioxide high up in the stratosphere. Another involves trying to brighten the clouds over the sea by spraying salt water off the back of ships.