-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Oak trees are struck by lightning more than any other tree.
266
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
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Snowiest city in the U.S. : Blue canyon, California.
112
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
Dirty snow melts faster than clean.
350