It is a truism that any observed change in nature will be blamed by some experts on global warming (aka “climate change”, “climate crisis”, “climate emergency”).
When the Great Lakes water levels were unusually low from approximately 2000 through 2012 or so, this was pointed to as evidence that global warming was causing the Great Lakes to dry up.
Example - Article - National - Geographic - Photo
Take for example this 2012 article from National Geographic, which was accompanied by this startling photo:
The accompanying text called this the “lake bottom”, as if Lake Michigan (which averages 279 feet deep) had somehow dried up.
Matter - Years - Lake - Levels - Lake
Then in a matter of two years, low lake levels were replaced with high lake levels. The cause (analysis here) was a combination of unusually high precipitation (contrary to global warming theory) and an unusually cold winter that caused the lakes to mostly freeze over, reducing evaporation.
Now, as of this month (June, 2019), ALL of the Great Lakes have reached record high levels.
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