Dr. Tom Wagner of NASA is remarkably cheerful as he explains how the historic melting of sea ice in the Arctic threatens to exacerbate climate change across the globe.
Although this wasn’t the worst winter on record for retention of Arctic sea ice, a report from NASA and the National Snow and Ice Data Center says that the region is now missing a Texas-sized chunk of the stuff that keeps polar bears alive and cities above sea level. More alarming, the ice that is there is younger, thinner and more fragile than in years past.
Ozone, which had been considered a minor player in global climate change, is actually a major factor in the dramatic warming of the Arctic zone, according to NASA.
Worse, scientists are reporting that climate change is “irreversible,” as Arctic sea ice has failed to re-form for the second year in a row.