A city council meeting in Alameda, Calif. on Tuesday will take center stage in the global controversy over whether to try cool the planet by making clouds brighter. Researchers at the University ...

Injecting reflective particles into the sky? Scientists are resorting to once unthinkable techniques to cool the planet because global efforts to check greenhouse gas emissions are failing.

Solar geoengineering encompasses a range of tactics to cool the planet down by reflecting sunlight, perhaps by artificially brightening clouds or thrusting reflective particles into the atmosphere.

Taking a day flight could be a swift way to limit the climate impact of a holiday, as new research suggests vapour trails produced by jets can cool the planet during the daytime. Soot particles ...

By using techniques like direct air capture or other forms of sucking carbon out of the atmosphere, scientists said, countries could cool the Earth back down even if the planet has already reached ...

A technique to cool the planet, in which particles are added to the atmosphere to reflect sunlight, would not require developing special aircraft but could be achieved using existing large planes ...