Dangerous levels of human-made pollution

An iceberg from the Portage Glacier is locked in the frozen Portage Lake south of Anchorage, Alaska in this Jan. 6, 2004 file photo. The planet's temperature has climbed to levels not seen in thousands of years, researchers report in Tuesday's issue of Proceedings of the National Academy of Sciences.

but wait, it gets better...

The warming has been stronger in the far north, where melting ice and snow expose darker land and rocks beneath allowing more warmth from the sun to be absorbed, and more over land than water.

[...]

"This evidence implies that we are getting close to dangerous levels of human-made pollution," Hansen said in a statement [James Hansen of NASA's Goddard Institute for Space Studies in New York].

this puts the old weather report cliche, "record-breaking heat," in a whole new light...

[T]he overall temperature [is] the warmest in the current interglacial period, which began about 12,000 years ago.

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