Add Yahoo as a preferred source to see more of our stories on Google. A congressional subcommittee spent nearly two hours on Tuesday discussing the rarely practiced but frequently talked about science ...

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.

Solar Radiation Modification (SRM) is a suite of possible technologies to counteract global warming by reflecting incoming solar radiation. Some SRM proposals involve the injection of reflective ...

"Solar radiation modification" (SRM), published today, considers the potential impacts of SRM if deployed globally, in a scientifically informed way, across both hemispheres and for long periods of ...

Re “Scientist Wants to Block Sunlight to Cool Earth” (“Buying Time” series, front page, Aug. 4): Your article about solar geoengineering raises serious concerns about a complex issue that demands ...

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 ...