-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
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The speed of a typical raindrop is 17 miles per hour.
181
Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
There is enough energy in one bolt of lightning to power a home for two weeks!
102