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SDG13 Climate Action / SDG17 Partnerships for Goals “the secret of change is to focus all of your energy not on fighting the old but on building the new.”-Socrates.
World leaders meet at COP25 summit that according to United Nations Secretary General Antonio Guterres marks the "point of no return" in humanity's fight against climate change. Greta Thunberg (nominated Person of the Year by Time) arrived in Madrid by train from Lisbon after nearly three weeks at sea, traveling from the United States on the catamaran, La Vagabonde.
The leading scientist, Hans Poertner co-chair of the IPCC, also highlighted the importance of quick action to tackle climate change.
In which way can we measure it?
The Essential Climate Variables:
Most Earth-observing satellites complete one orbit of the Earth in just 100 minutes. This low-Earth orbit allows the whole world to be covered in a matter of days to weeks. What can we measure? The detection of the acceleration of ice loss from the Greenland and Antarctic ice sheets; the details of regional trends in sea level rise and how it’s affected by ocean currents, the discovery of the hole in the ozone layer, and changes in land cover over time.
This data provides the evidence
for climate change.
Scientists have therefore compiled a list of the key components of the Earth that need to be measured in order to monitor different aspects of climate change.
The result was a list of 52 Essential Climate Variables.