2017 was one of Earth's top 3 hottest years on record, which should come as no surpri
 

2017 was one of Earth's top 3 hottest years on record, which should come as no surprise
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It's unanimous: 2017 was one of Earth's warmest years on record, continuing an impressive and quickening trend seen since the dawn of the industrial revolution.*

According to the National Oceanic and Atmospheric Administration, NASA, the UK Met Office, and other groups that monitor the planet's thermostat, 2017 was by far the warmest year to occur without an El Niño event, which can boost ocean and air temperatures and was partly responsible for propelling 2016 to the top spot on the list of warmest years.*

While each group differs slightly in their final numbers and rankings, the numbers they came up with differ mainly because of the way they calculate temperatures in data-poor regions, such as the rapidly warming Arctic. Read more...

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