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
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
The winter of 1912 was so cold that Niagara Falls froze over.
35
Oak trees are struck by lightning more than any other tree.
266
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Dirty snow melts faster than clean.
350