Well! This is an interesting proposal. From the CBC: Scientists propose refreezing Arctic in battle against climate change.
A group of researchers has proposed using wind-powered pumps to refreeze the Arctic.
The proposal seems ambitious: it involves 10 million devices deployed over 10 per cent of the Arctic, at a cost of $500 billion US. [continue]
Sounds more promising than anything else I’ve heard. You think it would work?