The winter of 1912 was so cold that Niagara Falls froze over.
35
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
Oak trees are struck by lightning more than any other tree.
266
Moist air holds heat better than dry air.
114
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
Dirty snow melts faster than clean.
350
The winter of 1932 in the US was so cold that Niagara falls froze completely solid!
442