A two-degree increase in global temperature may seem insignificant, but it would likely cause a massive impact all over the Earth.
Significant sea-level rise in a two-degree warmer world
“Even if global warming is limited to two degrees Celsius, global mean sea level could continue to rise, reaching between 1.5 and four meters above present-day levels by the year 2300, with the best estimate being at 2.7 meters, according to a new study.”
Water availability in +2°C and +4°C worlds
“While the parties to the UNFCCC agreed in the December 2009 Copenhagen Accord that a 2°C global warming over pre-industrial levels should be avoided, current commitments on greenhouse gas emissions reductions from these same parties will lead to a 50 : 50 chance of warming greater than 3.5°C.”
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