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
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
Dirty snow melts faster than clean.
350
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
-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
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101