(6) Natural liquid goudrons are solutions of more or less oxidized (resinified) solid hydrocarbons in liquid hydrocarbons, and are therefore thick and viscous.

… cloistral avenues, Where silence dwells if music be not there:

The lads had recently returned from a wild summer on the party island of Ibiza, an increasingly popular hotspot for working-class British youth. But this was not a scene of drunken holiday carnage in tacky discos.

Termites and cows account for much greenhouse gas.