As<u> consumption increases</u>, and <u>wastes are left in the environment</u>, rivers, streets, lands, weather receive the effects (and we'll be affected later).
The <u>natural and industrial resources have to expand</u> to meet costumer demands, and the circle never ends. Until our planet gets seriously ruined, because of the <u>misuse of resources</u>.
I believe the tone is kind of sad. The mood the author wanted to make was sadness. He wanted you to image him when he was younger. (i hope this helped)