Like some unprecedented mass shooting, it’s the kind of record-breaking news one tends to think twice about discussing at the breakfast table.
As reported by Popular Science, among many other media outlets, late last week the Mauna Loa Observatory in Hawaii measured carbon levels in the atmosphere at 415 parts per million. That’s more than 100 ppm higher than any point in almost 1 million years’ worth of atmospheric data available.
For nearly a million years, carbon dioxide levels in the atmosphere have maintained an average of about 280 ppm, not going above 300 ppm or below 160 ppm…the latest human-caused warming event is occurring over just a couple of centuries, which is so quick in comparison that the trend line appears vertical as it approaches today.
Do we actually still need to wonder why this is happening?Read more »