Trey Scott Atwater was taken into custody Saturday morning after Transportation Security Administration agents spotted what they described as a suspicious item.
More probable is bird transport, either externally, by accidental attachment of the seeds to feathers, or internally, by the swallowing of fruit and subsequent excretion of the seeds.
As if that were not enough, a Brazilian C-130 Hercules military transport plane has remained stranded near the runway of Chile's airbase here since it crash-landed in 2014.
The third approach, which is not new, comprises a series of measures ranging from pricing to revitalising alternative modes of transport and targeting investment in the trans-European network.
Butt air is now being polluted by modern transportation, notably gas-powered automobiles, as well as electrical generators that burn fossil fuels and pour polluting chemical waste into the air.
Next year, after a series of mergers is completed, just four railroads will control well over 90 percent of all the freight moved by major rail carriers.