600-00061254....................................................................

Canada....................................................................

Canadian....................................................................

Mark Tomalty....................................................................

North America....................................................................

North American....................................................................

Quebec....................................................................

Radius Images....................................................................

Smoke Billowing Out of Smoke Stacks....................................................................

air pollution....................................................................

commercial....................................................................

day....................................................................

day time....................................................................

daylight....................................................................

daytime....................................................................

ecological footprint....................................................................

emission....................................................................

environment....................................................................

environmental....................................................................

environmental issue....................................................................

environmental issues....................................................................

factory....................................................................

global warming....................................................................

greenhouse effect....................................................................

greenhouse gas....................................................................

heap....................................................................

industrial....................................................................

industry....................................................................

manufacturing plant....................................................................

mass production....................................................................

no one....................................................................

no people....................................................................

nobody....................................................................

ozone....................................................................

ozone hole....................................................................

ozone layer....................................................................

particulate matter....................................................................

pile....................................................................

piled....................................................................

plant....................................................................

pollution....................................................................

smoke....................................................................

smoke stack....................................................................

smoke-stack....................................................................

smokestack....................................................................

smoking....................................................................

stack....................................................................

stacked....................................................................

thick....................................................................

two....................................................................

without people....................................................................