Here on Mauna Loa, air is collected on a 40 meter (130 foot) tower (left) and analyzed for CO2 content. At right, a powerful laser beam is used to measure aerosols and particles in the air up to 45 km into the stratosphere.
Similar to the global trend, warmer Southern States have more venomous species than North States. Arizona is the clear winner (or loser) with over 30 species.
1 The longest venomous snake in the world is the King Cobra. This is a snake that has many people worried because of the way they look and the size of them.  The American Copperhead is one of the snakes in the world that creates venom. They are often called just the Copperhead for short.