The winter of 1912 was so cold that Niagara Falls froze over.
35
-40 degrees Celsius is equal to -40 degrees Fahrenheit.
96
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
Oak trees are struck by lightning more than any other tree.
266
Rain contains vitamin B12.
188
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