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
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
Dirty snow melts faster than clean.
350
Rain contains vitamin B12.
188
Moist air holds heat better than dry air.
114