The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Snowiest city in the U.S. : Blue canyon, California.
112
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
Carbon dioxide is a trace gas and by itself will produce little warming. Also, as CO2 increases, the incremental warming is less, as the effect is logarithmic so the more CO2, the less warming it produces.
11
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106