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.
Venomous snakes are distributed unevenly throughout the United States â the vast majority of snake bites occur in warm weather states. States like Florida and Texas have a wide variety and large population of venomous snakes. Bites from venomous snakes are extremely rare in the states near the CanadaâUS border.