Huffington Post: With no clear rules to guide new research, scientists are shying away from examining whether geoengineering technologies can effectively cool the planet, and at what cost.
Thats the warning put forth by a pair of climate change experts in an essay published Thursday in the journal Science.
This deadlock poses real threats to sound management of climate risk, write Harvard University climate scientist David Keith and UCLA environmental law expert Edward Parson. Geoengineering may be needed...