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, Poisonous, Dangerous, and other Wonders. Australia's most venomous snakes. Australia has over 140 species of land snake - and 32 species of sea snakes have been recorded in its waters-. Of these 100 species are venomous, although only a dozen are considered venomous enough to be fatal to humans. However, though Australian snakes are currently viewed as the most venomous in the world, they are, by no means, the most dangerous.