Given reticence about applying quick technological fixes for our climate problem, proponents of solar geo-engineering are calling for the federal government and other concerned parties to fund more research. “The balance of evidence so far suggests that solar geo-engineering could reduce climate risks, but early science might be wrong,” he says. “We need experiments, which might show that it does not work.”
But perhaps the biggest hurdle to implementation of solar geo-engineering is getting the nations of the world to agree on the need for it. “With solar geoengineering, at some level you’ve got just one knob,” says Harvard energy and climate researcher David Keith, a big proponent of solar geo-engineering. “That demands collective global decision-making.”
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