Recent shifts in Earth’s magnetic field have human fingerprints all over them. While it is normal for our planet’s magnetic poles to sporadically wander, new research shows we’ve now amassed enough water behind dam walls to account for at least some of the current movements. Harvard University geophysicist Natasha Valencic and colleagues calculated that the masses concentrated in just under …
Read More »Humanity Has Dammed So Much Water It’s Shifted Earth’s Magnetic Poles : ScienceAlert
