The amount of water that has left the Great Lakes since its recent record high levels is staggering. It equates to three years of entire global water use.
Source: Lake Michigan, Lake Huron lost 20 trillion gallons of water over last 2 years
Contextless headline is useless!
The great Lakes have ~22,671 km3) water = 5.989045e+15 US gallons. 20T / 5.989045e+15 = 0.3%. so not nothing, but not huge either. also, the last few years have been historically high levels, so it would be interesting to compare to the long-term average levels.
