Stories tagged
‘pollution’

Video

Toxic city

by Avigail M. Olarte and Isa Lorenzo

FILMED over a five-hour period from the hills of Antipolo, you can see the gradual encroachment of smog choking Metro Manila in this time-lapse video.

Smog is a combination of smoke and fog. The smoke is caused by nitrogen dioxide and hydrocarbons emitted by motor vehicles. When this is warmed by the sun’s rays, a photochemical reaction occurs and smog forms.

Read more… | Posted Thursday, November 22nd, 2007