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  1. Jul 2023
    1. this is 30 years of ipcc Assessments from the third assessment in 2009 all the way to the 1.5 degrees Celsius 00:09:50 assessment a few years back this is the red Embers diagram of confidence in science and what you see for each column is the assessment of risk of irreversible changes and at what 00:10:03 temperature levels 20 years ago at the third assessment the risk was basically assessed as zero because it was set at six degrees Celsius nobody was suggesting we would end up at six degrees but look at the trend line the 00:10:16 more we learn about the planet the more we understand about the coupled interactive Earth system the lower is the temperature at which we put risks of irreversible changes and it's down in 00:10:29 the less than two degrees Celsius range now blinking red so that's where we are
      • for: planetary boundaries, tipping points, planetary tipping points