The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
The winter of 1912 was so cold that Niagara Falls froze over.
35
Snowiest city in the U.S. : Blue canyon, California.
112
Dirty snow melts faster than clean.
350
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
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
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113