Goddess on a Hiway Lyrics

Lyric discussion by watch the fireworks 

Cover art for Goddess on a Hiway lyrics by Mercury Rev

what does anyone think of the lines:

Far above the ocean and deep under the sea There's a river runnin' dry 'Cause of you and me

Two possible interpretations. One is that it's ecological - environmental damage, and the link to being on a highway - ties in with the line "I know, it ain't gonna last".

The other possibility (and maybe the writer had both in mind) is a river of tears - it ain't gonna last because they're too unstable, too unsettled. There's been too much pass between them. But, the narrator is saying, let's get on and drive.