How melting ice sheets are changing the way the Earth moves on its axis – video explainer

Global warming is changing the way the Earth moves on its polar axis. A new Nasa study says that Melting ice sheets are affecting the distribution of weight on Earth, which is causing both the North Pole and the wobble, which is called polar motion, to change course. Scientists say the polar motion shift is harmless, but that it highlights the impact humans are having on the planet