Climate emergency measurement indicators

glacierClimatologists have defined the following six key indicators for measuring the magnitude of climate change:

  1. average global temperature: 1.11°C increase since pre-industrial times.
  2. carbon dioxide (CO2) concentration in the atmosphere: an increase of nearly 100 ppm (parts per million) in 40 years.
  3. sea level: a 3 mm rise per year since 1993.
  4. the oceans' energy content: energy absorbed by the oceans, which reduces the global temperature.
  5. the ice pack surface: the decrease of the Arctic and Antarctic sea ice surface.
  6. the loss of glacier mass: melting of the equivalent of a 28-meter layer of ice spread over all the world's glaciers.
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