UN climate change report sounds 'code red for humanity'

The UN climate panel sounded a dire warning Monday, saying the world is dangerously close to runaway warming - and that humans are "unequivocally" to blame.

Already, greenhouse gas levels in the atmosphere are high enough to guarantee climate disruption for decades if not centuries, scientists warn in a report from the Intergovernmental Panel on Climate Change (IPCC).

That’s on top of the deadly...