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August 24, 2015 04:00 pm

Group Seeks Test For Geoengineering Tool To Fight Climate Change

An anonymous reader writes: A group of retired engineers and scientists has been meeting for several years to develop techniques to fight climate change. They've now reached the point where they want to actively test a machine that shoots water droplets into the sky in order to supplement existing clouds and increase the planet's albedo. The group is not aiming for full deployment — in fact, it's not even unanimous in support for prevailing theories in climate science. But they all agree that it's important to learn about such technologies before the situation becomes a crisis. "We need to understand whether this approach is even possible and what the risks are, in the event that we find ourselves looking for ways to extend time and mitigate warming damage." If we're eventually forced to deploy large-scale geoengineering projects to combat climate change, it's not a good idea to grab whatever technology is cheapest or most readily available without knowing how well it works. The group is aware of the ethical concerns surrounding such research, but its director notes, "The fact is humanity is already engaged in unplanned climate engineering. We're doing it through coal plant and shipping emissions every day without understanding it very well."

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