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.

The agency is being asked to strengthen a toothless rule that requires only a heads-up before experiments to modify the weather. Picture this: As a Phoenix heat wave is killing hundreds of people, an ...

A congressional subcommittee spent nearly two hours on Tuesday discussing the rarely practiced but frequently talked about science of weather modification and geoengineering. Convened by the House ...

The United Nations Environment Assembly this week considered a resolution on solar radiation modification, which refers to controversial technologies intended to mask the heating effect of greenhouse ...