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by Thrymr 4667 days ago
"comparatively little concern"? The US and USSR stopped above-ground testing in 1963 and there has not been an above-ground test anywhere on earth since 1980. 159 countries have ratified the Comprehensive Test Ban Treaty [1]. There has been a hell of a lot of concern over the past 68 years over nuclear detonations (and rightfully so).

[1]: http://en.wikipedia.org/wiki/Comprehensive_Nuclear-Test-Ban_...