via Congress hears ideas on altering clouds to offset climate change. | McClatchy Washington Bureau

WASHINGTON

Ever-higher temperatures are melting the ice sheets faster than projected. Sea level is rising. International efforts to reduce greenhouse gases are taking longer than expected. It’s a nightmare scenario that could soon demand an emergency response. What to do?

One idea gaining traction is to seed marine clouds with salt water or other particles, increasing their potential to reflect solar rays, cooling the earth. Its part of nascent and controversial branch of science known as “sunlight reflection methods,” or SRM.

“We think SRM could buy time for other (carbon-reduction) measures to be put in place,” said Philip J. Rasch, chief climate scientist for the Pacific Northwest National Laboratory in Richland, Washington.

via Congress hears ideas on altering clouds to offset climate change. | McClatchy Washington Bureau

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