No 1 - Humans contribute to the earth’s wobble

Been really inspired by all this #vectober action I've seen over the last few days. Three days behind, but let's see if I can catch up! I'm going to try and do each one based on an science / environment related article I've read recently.

Here's No. 1...

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Humans Contribute to Earth’s Wobble, Scientists Say

https://www.scientificamerican.com/article/humans-contribute-to-earth-rsquo-s-wobble-scientists-say/