Temperatures have been cooling since 2002, even as carbon dioxide has continued to rise.
106
Circumhorizontal arcs (loosely known as fire rainbows) are the rarest of all naturally occurring atmospheric phenomena.
21
It snows more in the Grand Canyon than it does in Minneapolis, Minnesota.
113
Contrary to popular belief, lightning travels from the ground upwards not from the sky downwards.
101
Moist air holds heat better than dry air.
114
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
-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