Do We Need a Negative Leap Second?

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Did you know that last year we had 28 of the fastest days ever recorded? Earth's rotation can be affected by a number of things, and scientists think we might someday need an unprecedented adjustment: deleting a second!

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Sources:
https://www.timeanddate.com/time/earth-faster-rotation.html
https://www.nist.gov/pml/time-and-frequency-division/leap-seconds-faqs
https://royalsocietypublishing.org/doi/10.1098/rspa.2016.0404
https://www.pmel.noaa.gov/elNino/faq
https://link.springer.com/article/10.1007/s00190-010-0416-0
https://itunews.itu.int/en/NotePrint.aspx?Note=4268
https://www.itu.int/en/ITU-R/Documents/ITU-R-FAQ-UTC.pdf
https://www.iers.org/IERS/EN/DataProducts/ICRF/ICRF/icrf.html
https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2014GL059948
https://esd.copernicus.org/articles/8/1009/2017/esd-8-1009-2017.html
https://www.bipm.org/utils/common/pdf/si-brochure/SI-Brochure-9-EN.pdf
http://www.astronomy.ohio-state.edu/~pogge/Ast161/Unit4/tides.html
https://www.nationalgeographic.com/science/article/120222-earth-spin-faster-time-oceans-el-nino-science

Image Sources:
https://earthobservatory.nasa.gov/features/ElNino
https://commons.wikimedia.org/wiki/File:Usno-mc.jpg
https://commons.wikimedia.org/wiki/File:ENSO_-_El_Ni%C3%B1o.svg
https://commons.wikimedia.org/wiki/File:ENSO_-_La_Ni%C3%B1a.svg