Arctic sea-ice loss didn't happen by chance.
Climate researchers use a new tack to try to eliminate the many variables which may have contributed to the recent extreme ice-cover loss being witnessed near the arctic poles and have discovered that only "green house emissions" can explain the current conditions at the poles.
"In the end, only the increase in greenhouse gas concentration showed a physically plausible link with the observed sea-ice retreat. We expect a decreasing sea-ice cover for increasing greenhouse gas concentration, which is exactly what is observed," Notz explains.
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