SOURCE: The Guardian

DATE: January 26, 2017

SNIP: When you use the recommended time period, it turns out that 2015 was the first year on record that passed the 1°C (1.8°F) mark. It means that 2016 was approximately 0.1°C (0.2°F) warmer than we had thought relative to the pre-industrial time period. To put this in perspective, it is almost an extra decade of warming.

Why does this matter? Well it means that we have about a decade less time to act on climate change if we are going to avoid the most serious consequences. It means we simply have no time to waste, and no room for error. It also means that even if we take action right now, there will be consequences.