Since this post was originally published, the heat wave has continued. As of Thursday morning, it appears that average temperatures across the Northern Hemisphere have breached the 2 degrees Celsius above “normal” mark for the first time in recorded history, and likely the first time since human civilization began thousands of years ago.* That mark has long been held (somewhat arbitrarily) as the point above which climate change may begin to become “dangerous” to humanity. It’s now arrived—though very briefly—much more quickly than anticipated. This is a milestone moment for our species. Climate change deserves our greatest possible attention.

Original post: Our planet’s preliminary February temperature data are in, and it’s now abundantly clear: Global warming is going into overdrive. There are dozens of global temperature datasets, and usually I (and my climate journalist colleagues) wait until the official ones are released about the middle of the following month to announce a record-warm month at the global level. READ MORE


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