The winter of 1912 was so cold that Niagara Falls froze over.
35
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
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
Dirty snow melts faster than clean.
350
The Earth sees about 760 thunderstorms every hour, scientists have calculated.
185
Oak trees are struck by lightning more than any other tree.
266
Snowiest city in the U.S. : Blue canyon, California.
112