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
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
In ten minutes, a hurricane releases more energy than all the world's nuclear weapons combined!
371
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
The winter of 1912 was so cold that Niagara Falls froze over.
35
Snowiest city in the U.S. : Blue canyon, California.
112