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The scariest parts of the new climate change report: The goals the world set are inadequate, and the track we’re on is disastrous

The world will start to see catastrophic effects of climate change — including more intense storms, searing heat waves, mass extinctions, droughts, and more — at 1.5 C of warming. If or when we hit 2 degrees of warming, the effects will be even worse.
Flash floods in Oman cut off roads.

Scientists calculated a ‘point of no return’ for dealing with climate change — and time is running out

According to a new study, we'll soon cross a point of no return after which it'll be almost impossible to avoid 2 degrees Celsius of warming. That's often considered a threshold for catastrophe.
Earth could cross a sort of tipping point that would trigger further warming.

The world could hit a tipping point that causes warming to spiral out of control — a scenario scientists call ‘Hothouse Earth’

Humans could warm the world enough that natural systems would change in ways that trigger further warming. The authors of a new paper refer to this threat as "Hothouse Earth."