When we talk about climate change there's one number that comes up a lot: It may sound arbitrary, but it's not.
Every 10th of a degree matters.
Here's why: In 2015, 195 parties signed the paris agreement.
In doing so, they agreed to pursue efforts to limit the average global temperature increase to 1.5° celsius above pre-industrial levels.
To be clear, our planet is already 1.1 degrees hotter than it was 150 years ago.
But most scientists agree that an increase of just. 4 more degrees will drastically change the world.
However, it would continue to be livable.
Things get murky, though, as the projections increase above that.
Here's the difference between 1.5 and 2 degrees of warming.
Sea levels have and will continue to rise.
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